Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu lang » chieu sang, hieu quang, nhieu tang
cap nhung » vap nhung, dap nhung, canh nhung
cam nhung » cam hung, nam nhung, tham nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
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: hoi hieu lang - thanh trung ((cap nhung) OR (cam nhung)) cong tac than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu lang - thanh trung ((cap nhung) OR (cam nhung)) cong tac than cap*".