Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
van thang » van thanh, van khang, van hang
hanh dam » thanh dam, hanh lam, hanh nam
cong van » cong vang, song van, cong tan
cong san » cong tac
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu
dam van » dao van, nam van, pham van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh dam van thang ((cong van) OR (cong san)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh dam van thang ((cong van) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh dam van thang ((cong van) OR (cong san)) toan tap*.