"use techniques" is a valid phrase in written English.
You can use it when talking about a variety of situations, for example, "We should use techniques from psychology to better understand our customers' needs."
As consumer tastes changed, Valpolicella producers began to use techniques of concentrating and darkening the wines.
He also said that he doesn't use techniques such as sleep deprivation, sexual humiliation, or isolation.
Google recently waged war on websites that use techniques to artificially increase their search engine rankings.
Throughout, we use techniques explicitly designed for discrete geometry.
It permitted Mr. Bush to authorize the C.I.A. to use techniques other than those allowed in the Army Field Manual.
And every one of our movies will use techniques that you didn't have one or two years ago.
Green chemistry, or "sustainable chemistry," is the effort to use techniques that minimize pollution in chemistry.
"I still use techniques I learned then in my own pictures.
The bar will offer drinks that use techniques like cocktail carbonation.
I use techniques, of course, but I forget them after writing and I have no overall scheme or permanent procedures.
Teams of students use techniques in applied and computational mathematics to tackle problems of their choosing.
