Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
dam thuc » am thuc, dan thuc, nam thuc
hanh vai » hanh vi, hanh va, hanh tai
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
vai va » mai va, dai va, hai 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 ty nang xa hoi. lieu va ((((dam thuc) or (nam thuoc))) or (cam xuc)) va hanh vai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu va ((((dam thuc) OR (nam thuoc))) OR (cam xuc)) va hanh vai va triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. lieu va ((((dam thuc) or (nam thuoc))) or (cam xuc)) va hanh vai va triet*.