Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
dang mam » dang nam, dang mau, dang mat
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
mam hoi » mam hoai, nam hoi, mai hoi
ty dang » ty xang, ky dang, ty hang
cua tre » cua te, cuu tre, cua triet
cuu va » cuu van
cuc » cuoc, chuc

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 ty dang mam hoi. hieu ve cham ((cuu va) or (cuu ve)) thanh tai ((cuc thue) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty dang mam hoi. hieu ve cham ((cuu va) OR (cuu ve)) thanh tai ((cuc thue) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty dang mam hoi. hieu ve cham ((cuu va) or (cuu ve)) thanh tai ((cuc thue) or (cua tre))*.