Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
phan lap » phan dau
te sach » toc sach
dua ban » dia ban, cua ban, qua ban
cam dua » ca dua, cay dua, chay dua
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((mai hoi) or (xa hoi)). hieu va cam dua ban ((thanh lai) or (phan lap)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((mai hoi) OR (xa hoi)). hieu va cam dua ban ((thanh lai) OR (phan lap)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((mai hoi) or (xa hoi)). hieu va cam dua ban ((thanh lai) or (phan lap)) cua tre*.