Perhaps you should try some spelling variations:
van chat » cao chat
sach thu » sach thue, sach thieu, sach tham
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
chat xuc » chat huu, cam xuc, chao xu
va danh » va dinh, va dan, va hanh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
x hoi » xa hoi, o hoi, x ho

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 y) or (sach thu)) nang x hoi. hieu van chat xuc ((va danh) or (ban hanh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach thu)) nang x hoi. hieu van chat xuc ((va danh) OR (ban hanh)) vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach thu)) nang x hoi. hieu van chat xuc ((va danh) or (ban hanh)) vai cuu tre*.