Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van cau
cam cua » ca cua, nam cua, cau cua
vai cua » dai cua, hai cua, lai cua
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 ky nang ((xa hoi) or (ma hoa)). hieu van cam cua ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((xa hoi) OR (ma hoa)). hieu van cam cua ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((xa hoi) or (ma hoa)). hieu van cam cua ban thanh vai cua tre*.