Perhaps you should try some spelling variations:
theo nhieu » theo tieu, he nhieu
theo chieu » theo tieu, ho chieu, theo chu
thong cong » trong cong, tong cong, thong thong
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo nhieu) OR (theo chieu)) tang - hanh ((tang cua) or (hang cua)) thong cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo nhieu) OR (theo chieu)) tang - hanh ((tang cua) OR (hang cua)) thong cong tac than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo nhieu) OR (theo chieu)) tang - hanh ((tang cua) or (hang cua)) thong cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: ((theo nhieu) OR (theo chieu)) tang - hanh ((tang cua) or (hang cua)) thong cong tac than cap*.