Perhaps you should try some spelling variations:
bach khoa » anh khoa
sach kho » sach dao, sach nha, sach kem
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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: bo ((sach kho) OR (bach khoa)) tang ma hoi. ((hieu ve) OR (lieu va)) cam duc va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo ((sach kho) OR (bach khoa)) tang ma hoi. ((hieu ve) or (lieu va)) cam duc va hanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: bo ((sach kho) OR (bach khoa)) tang ma hoi. ((hieu ve) or (lieu va)) cam duc va hanh vai cua te*.