Perhaps you should try some spelling variations:
tang quan » tang luan, tong quan, thong quan
nang quan » ban quan, nang suat
dong cong » duong cong, dung cong, dang cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong san » cong tac
san than » sang than, san thanh, ban than
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 chu sach - hanh ((tang quan) OR (nang quan)) dong cong san than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh ((tang quan) OR (nang quan)) dong cong san than cap".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh ((tang quan) OR (nang quan)) dong cong san than cap*.