Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, tu cach
lam dua » lam cua, lam duoc, lam dung
cua tre » cuu tre, cua triet, dua tren
dua ban » dia ban, cua ban, qua ban
van lam » van nam
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
te sach » toc sach
cua te » cua tu

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