Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
vai cuu » vai cua
cam thu » nam thu, cac thu, ca thu
su sach » vu sach
so sach » so sanh, bo sach, co sach
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
thu va » thuc va, thue va, tu va
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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) or (so sach)) ky nang ((x hoi) or (o hoi)). hieu va cam thu va thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang ((x hoi) OR (o hoi)). hieu va cam thu va thanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky nang ((x hoi) or (o hoi)). hieu va cam thu va thanh vai cuu tre*.