Perhaps you should try some spelling variations:
dinh qua » dinh cua, dinh quy, danh qua
chat xuc » chat huu, chao xu, chat cua
quan tre » quan tren, quan tri, quang tri
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
va dinh » van dinh, va kinh, va tinh
x hoi » xa hoi, o hoi, 5 hoi

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 nang ((x hoi) OR (x ho)). hieu ve ((chat xuc) or (cam xuc)) va dinh qua quan tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((x hoi) OR (x ho)). hieu ve ((chat xuc) OR (cam xuc)) va dinh qua quan tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((x hoi) OR (x ho)). hieu ve ((chat xuc) or (cam xuc)) va dinh qua quan tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((x hoi) OR (x ho)). hieu ve ((chat xuc) or (cam xuc)) va dinh qua quan tre*.