Perhaps you should try some spelling variations:
chat truc » cau truc, chat xuc
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
van chat » cao chat
danh dai » danh dau, danh di, danh sai
ly hang » ly quang
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 ((y nang) or (ly hang)) xa hoi. hieu van chat truc va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (ly hang)) xa hoi. hieu van chat truc va danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) or (ly hang)) xa hoi. hieu van chat truc va danh dai cua tre*.