Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
bang tuong » ban tuong, lang tuong, hang thuong
bang suong » bang song, bang phuong, nang song
mot chieu » doi chieu, ho chieu
lai toan » bai toan, lap toan, lai thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (toc thieu)) xanh - thanh truong cao ((bang tuong) OR (bang suong)) lai toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (toc thieu)) xanh - thanh truong cao ((bang tuong) OR (bang suong)) lai toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (toc thieu)) xanh - thanh truong cao ((bang tuong) OR (bang suong)) lai toan cao*".