Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhanh lang » nhanh quang, nhanh thang, nhan dang
mot chieu » doi chieu, ho chieu
dong cong » duong cong, dung cong, dang cong
anh dung » anh dong, anh huong, sach dung
cong tan » cong tac, cong san, cong thanh
ha dong » hoat dong, van dong
tan van » tran van, tang van, luan van

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

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