Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
viec lam » viec va
tinh hoc » sinh hoc, tin hoc, hinh hoc
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
lam xuc » cam xuc, lam duoc
va tinh » may tinh
hoc cau » hoc cao, hoc cac, hoc can
xuc va » duc va, tuc va, luc va

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 lang) or (ky tang)) xa hoi. nhieu viec lam xuc va tinh hoc cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky lang) OR (ky tang)) xa hoi. nhieu viec lam xuc va tinh hoc cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky lang) or (ky tang)) xa hoi. nhieu viec lam xuc va tinh hoc cau tren*.