Perhaps you should try some spelling variations:
nhieu viec » nhien viet
hieu viec » hieu ve, sieu viet, hieu hien
va trinh » van trinh, va tinh, lap trinh
cam tuc » cam xuc, cam tu, nam thuc
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 xa hoi. ((nhieu viec) OR (hieu viec)) cam tuc va trinh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. ((nhieu viec) OR (hieu viec)) cam tuc va trinh ((vi cua) OR (di cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. ((nhieu viec) OR (hieu viec)) cam tuc va trinh ((vi cua) or (di cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. ((nhieu viec) OR (hieu viec)) cam tuc va trinh ((vi cua) or (di cua)) tre*.