Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cua triet » cua viet, su triet, va triet
trinh te » trinh tu, trinh he, trinh ke
va trinh » van trinh, va tinh, lap trinh
viec cam » viec lam, viec cua, viec va
lang xa » lang ha, dang xay, lang van
sach ky » sac ky, sach ty, sach kem
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, dua tren
tuc va » thuc va, truc va, tuc xa

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