Perhaps you should try some spelling variations:
thanh tung » thanh cong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
bang cong » dang cong, bang song, hang cong
thanh lap » thanh san, phan lap, thanh hai
tung cua » trung cua, tuong cua, dung cua
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
than cua » nhan cua, thai cua, gian cua
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - thanh tung cua bang cong san ((((than cua) OR (ban cua))) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - thanh tung cua bang cong san ((((than cua) OR (ban cua))) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - thanh tung cua bang cong san ((((than cua) OR (ban cua))) or (thanh lap))*".