Perhaps you should try some spelling variations:
thien van » thi van
hanh vai » hanh vi, hanh tai, hanh van
hang tai » hang va, dung tai
tu sach » thu sach, su sach, te sach
lam cuc » lam cua, lam duoc, pham cuc
hanh va » hang va, hanh vi
cuc ban » cua ban, cac ban, cuu ban
van lam » van nam
hang xa » hoang xa, hang va, hang ca
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 y ((hang xa) or (hang tai)) hoi. thien van lam cuc ban ((hanh vai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((hang xa) OR (hang tai)) hoi. thien van lam cuc ban ((hanh vai) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((hang xa) or (hang tai)) hoi. thien van lam cuc ban ((hanh vai) or (hanh va)) cua tre*.