Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
hanh lai » hanh lam, thanh lap, thanh loi
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
tu nang » tru nang, tu nong, tu nano
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho

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 tu nang x hoi. hieu ((ve cam) or (va cam)) duc va ((hanh lai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang x hoi. hieu ((ve cam) OR (va cam)) duc va ((hanh lai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang x hoi. hieu ((ve cam) or (va cam)) duc va ((hanh lai) or (hanh tai)) cua tre*.