Perhaps you should try some spelling variations:
cong luong » cong thuong, nang luong, cong dong
cuong dung » tuong duong, ung dung, thong dung
xuyen tac » xuyen tai, nguyen tac, thuyen tac
cach thuc » anh thuc, cac thu
tac cach » cac cach, tac hach, tap cach
ve ky » va ky, ke ky
ke y » ke ky, ke o

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: xuyen tac cach thuc đe co ban ((ve ky) or (ke y)) te ((cuong dung) or (cong luong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: xuyen tac cach thuc đe co ban ((ve ky) OR (ke y)) te ((cuong dung) OR (cong luong)).
• Adding a wildcard symbol may retrieve word variants: xuyen tac cach thuc đe co ban ((ve ky) or (ke y)) te ((cuong dung) or (cong luong))*.