Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
cam tuc » cam xuc, cam tu, nam thuc
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (so sach)) ty nang x ho. hieu ve ((cam tuc) or (am thuc)) ban thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (so sach)) ty nang x ho. hieu ve ((cam tuc) OR (am thuc)) ban thanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (so sach)) ty nang x ho. hieu ve ((cam tuc) or (am thuc)) ban thanh vai cuu tre*.