Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
hieu lang » chieu sang, hieu quang, nhieu tang
trang xay » trong xay, trang xa, trang va
dung cong » dung trong
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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 - thanh trang xay dung cong san ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh trang xay dung cong san ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh trang xay dung cong san ((than cau) OR (toan cau))*.