Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu dan » hieu van, sieu dan, hieu dac
sach thu » sach thue, sach thieu, sach tham
sang tao » hang tai
vai cuu » vai cua
qua ban » cua ban, qua quan
cua qua » cua quan, cua rua, cuu qua
tao hoa » bao hoa, tao hoi, tao ho
dan cua » dan ca, ban cua, dai cua
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, xach tay
cuu tre » cua tre, cau tren, cau treo

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 ty) OR (sach thu)))) sang tao hoa. hieu dan cua qua ban thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (((sach ty) OR (sach thu)))) sang tao hoa. hieu dan cua qua ban thanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (((sach ty) OR (sach thu)))) sang tao hoa. hieu dan cua qua ban thanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (((sach ty) OR (sach thu)))) sang tao hoa. hieu dan cua qua ban thanh vai cuu tre*.