Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hoc sach » hoc sinh, hoc cac, hoc anh
tang van » dang van, hoang van, trong van
thuc van » thuc vat, thuc dan, thuc va
thanh vi » hanh vi, thanh va, thanh ve
van hoc » van hoa
ve phat » va phat, te phat, de phat
y tang » ky tang, 6 tang, 7 tang
v pham » vi pham, d pham
vi cua » vai cua, di cua
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: hoc sach y tang van hoc. hieu ((v pham) or (ve phat)) thuc van thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y tang van hoc. hieu ((v pham) OR (ve phat)) thuc van thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: hoc sach y tang van hoc. hieu ((v pham) or (ve phat)) thuc van thanh vi cua te*.