Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cau tren » cu tren, dau tren, ca tren
sach kho » bach khoa, sach dao, sach nha
kho tang » cao tang
ta thanh » tai thanh, va thanh, ha thanh
cuu tre » cua tre, cau treo
te sach » toc sach
van cam » van lam, van cau, van dam
tang ma » mang may, tang van
tuc ta » tuc tap, tuc tao, tuc tat
ma hoi » mai hoi, xa hoi, ma hoa

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 kho tang ma hoi. hieu ((van cam) or (van nam)) tuc ta thanh vai ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach kho tang ma hoi. hieu ((van cam) OR (van nam)) tuc ta thanh vai ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach kho tang ma hoi. hieu ((van cam) or (van nam)) tuc ta thanh vai ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach kho tang ma hoi. hieu ((van cam) or (van nam)) tuc ta thanh vai ((cuu tre) OR (cau tren))*.