Perhaps you should try some spelling variations:
dinh viec » dinh viet, sinh viec, sinh vien
toc sach » hoc sach, doc sach, thuoc sach
cac duc » cac du, cao duc, cac nuoc
va dinh » van dinh, va kinh, va tinh
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cac dac » cac dan, cac dai, cac bac
y xang » ty xang
ma hoi » xa hoi, ma hoa, me hoi
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y xang ((ma hoi) OR (mai hoi)). hieu ve ((cac duc) OR (cac dac)) va dinh viec cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y xang ((ma hoi) or (mai hoi)). hieu ve ((cac duc) OR (cac dac)) va dinh viec cua te~".
• Adding a wildcard symbol may retrieve word variants: toc sach y xang ((ma hoi) or (mai hoi)). hieu ve ((cac duc) OR (cac dac)) va dinh viec cua te*.