Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
van tuan » van quan, van ban, anh tuan
cham xuc » cam xuc, chat xuc, cham soc
dang xay » dang van, van xay
tuan vi » quan vi, luan vi, quans vi
xuc van » duc van, luc van, vuc van
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
lang xa » lang ha, lang van
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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 ((sang ma) or (((lang xa) or (dang xay)))) hoi. hieu ve cham xuc van tuan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y ((sang ma) OR (((lang xa) OR (dang xay)))) hoi. hieu ve cham xuc van tuan vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach y ((sang ma) or (((lang xa) or (dang xay)))) hoi. hieu ve cham xuc van tuan vi cuu tre*.