Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong vat » truong va, truong van, trong vat
hieu lang » chieu sang, hieu quang, nhieu tang
doc hieu » toc thieu, hoc thieu, hoc hien
vat dung » van dung, va dung, viet dung
dong luc » nang luc
cong tu » cong ty, cong cu, dong tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - thanh truong vat dung ((cong tu) or (dong luc)) nha cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - thanh truong vat dung ((cong tu) OR (dong luc)) nha cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - thanh truong vat dung ((cong tu) or (dong luc)) nha cao*.