Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
va trinh » van trinh, va tinh, lap trinh
viec cam » viec lam, viec cua, viec va
thu sach » tu sach, thuat sach, thuoc sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cam tuc » cam xuc, cam tu, nam thuc
su sach » so sach, vu sach
tuc va » thuc va, truc va, tuc xa
do cua » doi cua, de cua, dong cua
co cua » con cua, ca cua, cong cua

You may be able to get more results by adjusting your search query.

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