Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
chiet tach » chieu sach
hieu lang » chieu sang, nhieu tang, hieu van
truong va » truong dai, truong cao, truong dao
lang cong » dang cong, bang cong, hang cong
cong san » cong tac
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca
va lang » va nang, hoa lang

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) OR (hieu quang))) or (chiet tach)) - thanh truong va lang cong san chay cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (hieu quang))) OR (chiet tach)) - thanh truong va lang cong san chay cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu lang) OR (hieu quang))) or (chiet tach)) - thanh truong va lang cong san chay cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu lang) OR (hieu quang))) or (chiet tach)) - thanh truong va lang cong san chay cau*.