Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
thuc day » thuc dan, thuc vat
dang van » hoang van, hang va
tu sach » thu sach, su sach, tu cach
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
van hoc » van hoa
ky dang » ky nang, ky danh
te sach » toc sach
cua tre » cua te, cuu tre, cua triet

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) or (te sach)) ky dang van hoc. hieu ve cham ((tuc xa) or (thuc day)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky dang van hoc. hieu ve cham ((tuc xa) OR (thuc day)) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky dang van hoc. hieu ve cham ((tuc xa) or (thuc day)) hanh vai cua tre*.