Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
dai nang » dai dang, dai thang, ki nang
toan tap » toan ban
da nang » cam nang, kha nang, cao nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (hieu lang)) - thanh truong ((dai nang) OR (da nang)) cong dang toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - thanh truong ((dai nang) OR (da nang)) cong dang toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) or (hieu lang)) - thanh truong ((dai nang) OR (da nang)) cong dang toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - thanh truong ((dai nang) OR (da nang)) cong dang toan tap*.