Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu lang » chieu sang, hieu lang, chi lang
nhanh mang » nhanh lang, hanh mang, nhanh quang
cong thanh » dong thanh, cong trinh, cong tan
cua khong » hua khong, cua phuong, cua thuong
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tran ban » tranh ban, tran van, toan 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 lang - nhanh mang cua khong ((cong thanh) or (cong tac)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu lang - nhanh mang cua khong ((cong thanh) OR (cong tac)) tran ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu lang - nhanh mang cua khong ((cong thanh) or (cong tac)) tran ban*.