Perhaps you should try some spelling variations:
thanh lai » thanh lap, thanh loi, thanh tai
thanh hai » thanh phan, thanh hoa, thanh san
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
cao loi » co loi, cao tuoi, ngao loi
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, truc va, tuc xa
xuc va » duc va, luc va, xac va
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang cao loi. hieu ve cam ((xuc va) or (tuc va)) ((thanh lai) OR (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang cao loi. hieu ve cam ((xuc va) OR (tuc va)) ((thanh lai) OR (thanh hai)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang cao loi. hieu ve cam ((xuc va) or (tuc va)) ((thanh lai) OR (thanh hai)) cua tre*".