Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
danh sai » dung sai, danh bat, danh dau
danh dai » danh dau, danh di, vanh dai
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
ky tang » ky dang, kho tang, ky trong
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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 ((ky tang) or (ky nang)) ma hoi. hieu van chat xuc va ((danh dai) OR (danh sai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky tang) OR (ky nang)) ma hoi. hieu van chat xuc va ((danh dai) OR (danh sai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky tang) or (ky nang)) ma hoi. hieu van chat xuc va ((danh dai) OR (danh sai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky tang) or (ky nang)) ma hoi. hieu van chat xuc va ((danh dai) OR (danh sai)) cua tre*.