Perhaps you should try some spelling variations:
xuyen tai » xuyen tac, nguyen tai, truyen tai
cac thuat » va thuat, hoc thuat, cac thu
dang cong » dung cong
cong dung » cuong dung, cong dong, cong luong
cac che » cac he, cac chien, cac chat
ban ve » ban va
y thu » ly thu, ky thu, y thuc
ve y » ve ky, ve _, ke y

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

• Performing a fuzzy search may retrieve terms with similar spellings: xuyen tai ((cac che) or (cac thuat)) đe co ban ve y thu ((dang cong) or (cong dung))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: xuyen tai ((cac che) OR (cac thuat)) đe co ban ve y thu ((dang cong) OR (cong dung)).
• Adding a wildcard symbol may retrieve word variants: xuyen tai ((cac che) or (cac thuat)) đe co ban ve y thu ((dang cong) or (cong dung))*.