Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
hoc thieu » toc thieu, hoc hien
trong vat » trong van, trong va, trong dat
trong san » cong san, dong san, trong ca
ho chieu » theo chieu, doi chieu, mot chieu
vat dung » van dung, va dung, viet dung
than cao » toan cao, thai cao, than cap

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 (hoc thieu)) xanh - thanh trong vat dung ((trong cac) or (trong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - thanh trong vat dung ((trong cac) OR (trong san)) than cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - thanh trong vat dung ((trong cac) or (trong san)) than cao*.