Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
sang ma » tang ma, nang ma, sang tao
cam tuc » cam tu, nam thuc, dam thuc
va hanh » van hanh, va thanh, va danh
y sang » _ sang, duy sang
ma hoi » mai hoi, xa hoi, ma hoa
tai va » thai va, mai va, tri va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y sang ma hoi. hieu qua ((cam tuc) or (cam xuc)) va hanh tai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y sang ma hoi. hieu qua ((cam tuc) OR (cam xuc)) va hanh tai va triet*.