Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
van cam » van nam, van lam, van cau
thi van » thi lan, thi hanh, thi nang
lang ha » long ha
xuc va » duc va, tuc va, luc va
ha hoi » hoa hoi, ha noi, xa hoi

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 _ lang ha hoi. thi van cam ((xuc va) or (thuc vat)) ((hanh vai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach _ lang ha hoi. thi van cam ((xuc va) OR (thuc vat)) ((hanh vai) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach _ lang ha hoi. thi van cam ((xuc va) or (thuc vat)) ((hanh vai) or (hanh va)) cua tre*.