Looking on the internet deeply has found these results:

seeking for an opening is the most popular phrase on the web.

seeking an opening 1363,000 results on the web	seeking for an opening 1659,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Surprised to find an opening in this economy. There's an opening to a hidden tunnel. Because castling can't be an opening move. Bressler's sees an opening... The Authority will identify the key issues on which it is seeking input in the opening of the procedure. In conclusion, in view of all these considerations, I confirm my opposition to these proposals seeking to finalise the opening up of the energy sector to competition. Seeking an instance of someone showering in clothing is...	The Authority will identify the key issues on which it is seeking input in the opening of the procedure. Bressler's sees an opening... Because castling can't be an opening move. An opening ceremony to match every other. Surprised to find an opening in this economy. In conclusion, in view of all these considerations, I confirm my opposition to these proposals seeking to finalise the opening up of the energy sector to competition. There's an opening to a hidden tunnel.

seeking an opening

1363,000 results on the web

seeking for an opening

1659,000 results on the web

More popular!

Surprised to find an opening in this economy.
There's an opening to a hidden tunnel.
Because castling can't be an opening move.
Bressler's sees an opening...
The Authority will identify the key issues on which it is seeking input in the opening of the procedure.
In conclusion, in view of all these considerations, I confirm my opposition to these proposals seeking to finalise the opening up of the energy sector to competition.
Seeking an instance of someone showering in clothing is...

The Authority will identify the key issues on which it is seeking input in the opening of the procedure.
Bressler's sees an opening...
Because castling can't be an opening move.
An opening ceremony to match every other.
Surprised to find an opening in this economy.
In conclusion, in view of all these considerations, I confirm my opposition to these proposals seeking to finalise the opening up of the energy sector to competition.
There's an opening to a hidden tunnel.