Perhaps you should try some spelling variations:
ho chieu » theo chieu, hoc thieu, doi chieu
hoi hieu » hoi phieu, hoi tieu, moi hieu
cong cac » cuong cac, cong tac, cong cau
dan cong » dang cong, van cong, dan 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: ((ho chieu) or (hoi hieu)) lang - thanh cong cac dan cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoi hieu)) lang - thanh cong cac dan cong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoi hieu)) lang - thanh cong cac dan cong tan ((toan cao) or (toan ban))*.