Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
so sanh » do sanh
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam tu, nam thuc, dam thuc
va hanh » van hanh, va danh, ban hanh
vi hoa » voi hoa, vi hoc, va hoa
sanh y » sinh y, anh y, hanh y
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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

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