Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong tai » truong dai, truong thi, truong cao
hieu lang » chieu sang, hieu quang, nhieu tang
hoi hieu » hoi phieu, hoi tieu, moi hieu
tai dang » tai lang, dai dang, hai dang
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 truong tai dang ((cong san) or (cong tac)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - thanh truong tai dang ((cong san) OR (cong tac)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - thanh truong tai dang ((cong san) or (cong tac)) ((toan cau) or (toan ban))*.