Perhaps you should try some spelling variations:
thanh trung » thanh tung
tang trong » tang truong, thang trong, lang trong
trong sinh » trong kinh, trong san
hoc thieu » toc thieu, hoc hien
sinh toan » tinh toan, hinh toan, minh toan
trung ha » trung hoc, trung tam, trung cap
toan tap » toan ban
cho chu » cho thue
ha tang » phap tang, cao tang, kho tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (cho chu)) tinh - thanh trung ha tang trong sinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (cho chu)) tinh - thanh trung ha tang trong sinh toan tap*.