Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va dinh » van dinh, va kinh, va tinh
va danh » va dan, va hanh, dia danh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
ty nang » ty xang, ty hang, ly nang
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
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 (ky nang)) xa hoi. hieu ve cac xuc ((va danh) or (va dinh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac xuc ((va danh) OR (va dinh)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac xuc ((va danh) or (va dinh)) di cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) OR (ky nang)) xa hoi. hieu ve cac xuc ((va danh) or (va dinh)) di cua te*.