Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
cau tren » cu tren, dau tren, ca tren
sang tao » hang tai
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau treo
tu sach » thu sach, su sach, te sach
cua rua » cua luat, cua nhua, cua quan
sach ky » sac ky, sach y, sach ty
cua qua » cua quan, cuu qua, qua quan
tao hoa » bao hoa, tao hoi, tao ho
ky sang » ky nang, ky dang, ky tang

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