Perhaps you should try some spelling variations:
vai cuu » vai cua
va danh » va dinh, va hanh, dia danh
cac xuc » cam xuc, cac nuoc, chat xuc
sach tu » sach thu, cach tu, sach ty
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dao, va dau
ve cac » va cac, vien cac

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 tu) or (sach y)) nang ma hoi. hieu ve cac xuc ((va danh) or (va dan)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach tu) OR (sach y)) nang ma hoi. hieu ve cac xuc ((va danh) OR (va dan)) vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach tu) or (sach y)) nang ma hoi. hieu ve cac xuc ((va danh) or (va dan)) vai cuu tre*.