Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cua triet » cua viet, su triet, va triet
viec dat » vien dai, vien da, viec lam
dat thuc » dan thuc, sat thuc, dat thu
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cao dan » cao danh, cac dan, ca dan
lai cua » dai cua, hai cua, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. nhieu viec dat thuc ((cao dan) OR (cao dang)) lai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. nhieu viec dat thuc ((cao dan) OR (cao dang)) lai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. nhieu viec dat thuc ((cao dan) OR (cao dang)) lai cua triet*.