Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
luong manh » duong manh, luong thanh, duong minh
hieu lang » hieu quang, nhieu tang, hieu van
truong va » truong dai, truong cao, truong dao
ban luong » ban huong, van luong, ban tuong
va ban » va bai, va bao

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

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