Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
nang lai » nang tai, mang lai, nang cai
lai hoi » dai hoi, lai hoa, lai roi
su sach » so sach, vu sach
va danh » va dinh, va dan, va hanh
thai va » thai van
tu sach » thu sach, te sach, tu cach
xuc va » duc va, tuc va, luc va
hai va » hai van, hoi va, mai va

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) or (su sach)) ky nang lai hoi. hieu van chat xuc va danh ((hai va) or (thai va)) thieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang lai hoi. hieu van chat xuc va danh ((hai va) OR (thai va)) thieu.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang lai hoi. hieu van chat xuc va danh ((hai va) or (thai va)) thieu*.