Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
cua viet » ca viet, hoa viet, cua vat
so sinh » so sanh, so tinh, cho sinh
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
sinh y » sinh ly
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sinh y nang ma hoi. hieu ve cham truc va hanh vi cua viet~.
• Adding a wildcard symbol may retrieve word variants: so sinh y nang ma hoi. hieu ve cham truc va hanh vi cua viet*.