Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cao » truong cao, trung cap, trung co
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
cao dung » cao dang, cao dong, cao ung
tac toan » tap toan, tam toan, hach toan
tam than » ban than

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) or (theo chieu)) xanh - thanh trung cao dung cong ((tac toan) or (tam than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung cao dung cong ((tac toan) OR (tam than)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh trung cao dung cong ((tac toan) or (tam than)) cao*.