Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh dung » thanh duong, thanh tung, thanh hung
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
va dung » van dung, va duong, vat dung
san cao » san co, san cho, nang cao
san bao » van bao, san bai, san giao

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)) tinh - thanh dung va dung cong ((san cao) or (san bao)) chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - thanh dung va dung cong ((san cao) OR (san bao)) chat.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - thanh dung va dung cong ((san cao) or (san bao)) chat*.