Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, vu cham
thu van » thuc van, thuy van, tu van
van anh » van thanh, tuan anh, van minh
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cai » va cai, ve cac, ve tai
anh de » hanh de, anh d, anh ve
de va » de van, te va, ke va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ma hoi. hieu ((ve cai) or (ve cham)) thu van anh de va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu ((ve cai) OR (ve cham)) thu van anh de va triet*.