Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, thanh san
thanh vai » thanh hai, thanh van, thanh oai
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky dang ma hoa. hieu van cam tuc va ((thanh vai) or (((thanh tai) OR (doanh tai)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang ma hoa. hieu van cam tuc va ((thanh vai) OR (((thanh tai) OR (doanh tai)))) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang ma hoa. hieu van cam tuc va ((thanh vai) or (((thanh tai) OR (doanh tai)))) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang ma hoa. hieu van cam tuc va ((thanh vai) or (((thanh tai) OR (doanh tai)))) cua tre*.