Perhaps you should try some spelling variations:
cam truc » cau truc, nam truc, lam truoc
hieu ve » hieu va, hieu van
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
so sinh » so sanh, so tinh, cho sinh
ca viet » va viet, co viet, hoa viet
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, ma hoa, me hoi
y nang » ly nang, v nang, may nang
di ca » di cau, di cua, doi ca

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sinh ((y nang) OR (ky nang)) ((ma hoi) OR (xa hoi)). hieu ve cam truc va danh di ca viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sinh ((y nang) or (ky nang)) ((ma hoi) OR (xa hoi)). hieu ve cam truc va danh di ca viet~".
• Adding a wildcard symbol may retrieve word variants: so sinh ((y nang) or (ky nang)) ((ma hoi) OR (xa hoi)). hieu ve cam truc va danh di ca viet*.