Perhaps you should try some spelling variations:
thanh lap » thanh san, thanh hai, thanh van
phan lap » phan dau
te sach » toc sach
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
ma hoi » mai hoi, ma hoa, me hoi
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 ((ma hoi) or (xa hoi)). hieu va cam duc tan ((thanh lap) or (phan lap)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((ma hoi) OR (xa hoi)). hieu va cam duc tan ((thanh lap) OR (phan lap)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((ma hoi) or (xa hoi)). hieu va cam duc tan ((thanh lap) or (phan lap)) cua tre*.