Perhaps you should try some spelling variations:
nhieu viec » nhien viet
hieu viec » hieu ve, sieu viet, hieu hien
hay tinh » may tinh, ha tinh, huy tinh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
tinh di » tinh doi, trinh di, tinh da
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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

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