Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
sach ky » sac ky, sach ty, sach kem
sang ma » tang ma, nang ma, sang tao
ma hoi » mai hoi, xa hoi, ma hoa
va lam » van lam, va lap
xuc va » tuc va, luc va, xac va
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach y)) sang ma hoi. lieu va lam ((xuc va) or (duc va)) thanh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) sang ma hoi. lieu va lam ((xuc va) OR (duc va)) thanh vi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) sang ma hoi. lieu va lam ((xuc va) or (duc va)) thanh vi cau tren*.