Perhaps you should try some spelling variations:
cong cong » trong cong, dung cong, dang cong
cac kieu » cach tieu, cac yeu, cac khu
tac kiem » tac ke, thi kiem, va kiem
do thuc » hoc thuc, dan thuc
ban le » ban ve
le do » ke do, le co, le d
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 kieu) or (tac kiem)) đe co ban le do thuc ((cong cong) or (cong dong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((cac kieu) OR (tac kiem)) đe co ban le do thuc ((cong cong) OR (cong dong)).
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((cac kieu) or (tac kiem)) đe co ban le do thuc ((cong cong) or (cong dong))*.