Perhaps you should try some spelling variations:
sanh cam » anh cam, manh cam, sanh ca
tang van » dang van, hoang van, trong van
qua pham » quan pham, quy pham, qua cham
va thinh » van thinh, va tinh, va thanh
thinh le » trinh ly
su triet » su viet, su tien, ve triet
so sanh » do sanh
le su » ve su, le vu, ly su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh cam ((mang may) OR (tang van)) hoi. hieu qua pham duc va thinh le su triet~.
• Adding a wildcard symbol may retrieve word variants: so sanh cam ((mang may) or (tang van)) hoi. hieu qua pham duc va thinh le su triet*.