Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
theo dieu » theo tieu, theo chieu, thuoc dieu
thanh cac » hanh cac, thanh bac, thanh ca
tram van » tam van, trang van, tranh van
tran van » luan van
cong san » cong tac
than cap » khan cap, thanh lap, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - hanh ((tram van) or (tran van)) nhuong cong san ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - hanh ((tram van) OR (tran van)) nhuong cong san ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - hanh ((tram van) or (tran van)) nhuong cong san ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - hanh ((tram van) or (tran van)) nhuong cong san ((than cap) OR (thanh cac))*.