Perhaps you should try some spelling variations:
dinh viec » dinh viet, sinh viec, sinh vien
toc sach » hoc sach, doc sach, thuoc sach
mai hoi » mai khoi, dai hoi, lai hoi
va dinh » van dinh, va kinh, va tinh
y xang » ty xang
ma hoi » xa hoi, ma hoa, me hoi
ve cac » vien cac
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) OR (va cac)) duc 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) OR (va cac)) duc 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) OR (va cac)) duc va dinh viec cua te*.