Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cua triet » cua viet, su triet, va triet
dat thuc » dan thuc, dat thu, dai thuc
sat thuc » am thuc, va thuc, dan thuc
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 dang, cao danh, cac dan
dan lai » dan loai, dan lap, dan lat
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) OR (sat thuc)) cao dan 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) OR (sat thuc)) cao dan lai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. nhieu viec ((dat thuc) OR (sat thuc)) cao dan lai cua triet*.