Perhaps you should try some spelling variations:
cach thuc » anh thuc
xuyen tai » xuyen tac, nguyen tai, truyen tai
cac khu » cac khoi, cac kieu
cac thu » cac thoi
ve cong » te cong
ban ve » ban va
ve ly » ve ky, ve li, ve y
ly ve » ly va, ly ke
dong » dung

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 khu) or (((cac thu) OR (cach thuc)))) đe co ban ve ly ve cong dong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: xuyen tai ((cac khu) OR (((cac thu) OR (cach thuc)))) đe co ban ve ly ve cong dong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "xuyen tai ((cac khu) or (((cac thu) OR (cach thuc)))) đe co ban ve ly ve cong dong".
• Adding a wildcard symbol may retrieve word variants: xuyen tai ((cac khu) or (((cac thu) OR (cach thuc)))) đe co ban ve ly ve cong dong*.