Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ma hoi. ((hieu ve) or (hieu va)) cam duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang ma hoi. ((hieu ve) OR (hieu va)) cam duc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang ma hoi. ((hieu ve) or (hieu va)) cam duc va hanh vi cua te*.