Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, hang cong
chinh can » chinh ca, chinh ban, chinh cau
cong tac » cong ty
chan cau » phan cau, can cau, chinh cau

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 - nhanh dung va nhung cong tac ((chan cau) or (chinh can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhanh dung va nhung cong tac ((chan cau) OR (chinh can)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - nhanh dung va nhung cong tac ((chan cau) or (chinh can))*.