Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nang cong » nang song, dang cong, bang cong
anh dung » anh huong, sach dung, ung dung
anh dong » anh huong, anh son
van nang » van quang, van ban, van dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((anh dung) or (anh dong)) van nang cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((anh dung) OR (anh dong)) van nang cong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((anh dung) or (anh dong)) van nang cong tan ((toan cao) or (toan ban))*.