Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
thong danh » thong dan, thong lanh, trong danh
truong va » truong dai, truong cao, truong dao
va thong » va thuong, va phuong, he thong
ho hieu » ho chieu, hoi hieu, nho hieu

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 quang - thanh truong va thong thong danh ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - thanh truong va thong thong danh ((toan ban) OR (van ban))*.