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, nang ma, mang xa
nang di » nang du, hang di, nang ji
lang xa » lang ha, dang xay, lang van
va nang » van nang, da nang, cam nang
truc va » thuc va, thuc vat, trung va
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 y ((nang xa) OR (lang xa)) hoi. ((nhieu viec) or (sieu viet)) cac truc va nang di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang xa) OR (lang xa)) hoi. ((nhieu viec) OR (sieu viet)) cac truc va nang di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((nang xa) OR (lang xa)) hoi. ((nhieu viec) or (sieu viet)) cac truc va nang di cua te".
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang xa) OR (lang xa)) hoi. ((nhieu viec) or (sieu viet)) cac truc va nang di cua te*.