Perhaps you should try some spelling variations:
dinh toi » dinh tri, dinh thi, dinh moi
su sach » so sach, vu sach
ty nang » ky nang, ty hang, ly nang
toi cua » troi cua, tri cua, hoi cua
hieu ve » hieu va, hieu van
cac xuc » cac nuoc, chat xuc, cac cuoc
va dinh » van dinh, va kinh, va tinh
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) or (ty xang)) xa hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh toi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty xang)) xa hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh toi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) or (ty xang)) xa hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh toi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ty xang)) xa hoi. hieu ve ((cac xuc) OR (cam xuc)) va dinh toi cua te*.