Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
cao hoa » cao hoat, cao khoa, cau hoa
hieu ve » hieu va, hieu van
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam

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 y nang cao hoa. hieu ve cam xuc ((ban thanh) or (ban hanh)) vai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang cao hoa. hieu ve cam xuc ((ban thanh) OR (ban hanh)) vai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang cao hoa. hieu ve cam xuc ((ban thanh) or (ban hanh)) vai ((cua tre) or (cuu tre))*.