Perhaps you should try some spelling variations:
cong cong » trong cong, dung cong, dang cong
cac cau » cac mau, bac cau, ca cau
cac khu » cac khoi, cac kieu
cac thu » cach thuc, cac thoi
ban ve » ban va
y tai » ly tai, y thai, ty tai
ve y » ve ky, ve _, ke y
tuyen » truyen, quyen
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: tuyen tap ((cac cau) or (((cac khu) or (cac thu)))) đe co ban ve y tai ((cong cong) OR (cong dong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((cac cau) OR (((cac khu) OR (cac thu)))) đe co ban ve y tai ((cong cong) OR (cong dong)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tuyen tap ((cac cau) or (((cac khu) or (cac thu)))) đe co ban ve y tai ((cong cong) OR (cong dong))".
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((cac cau) or (((cac khu) or (cac thu)))) đe co ban ve y tai ((cong cong) OR (cong dong))*.