Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
sieu viet » su viet, dien viet, bien viet
cac truc » cau truc, cac tru, cac trung
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
va hang » van hang, va nang, va lang
hang de » hoang de, hanh de, hang di
y nang » ky nang, ly nang, v nang
de cua » le cua, te cua, dieu 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 y nang xa hoi. ((nhieu viec) or (sieu viet)) cac truc va hang de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. ((nhieu viec) OR (sieu viet)) cac truc va hang de cua te.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. ((nhieu viec) or (sieu viet)) cac truc va hang de cua te*.