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
cong tu » cong ty, cong cu, cong ti
dong tu » dong luc, thong tu, dong tai

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 tu)) nha cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu lang - thanh truong vat dung ((cong tu) OR (dong tu)) nha cao".
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - thanh truong vat dung ((cong tu) OR (dong tu)) nha cao*.