Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
bach nuoc » bach tuoc, sach nuoc, bich ngoc
viec bach » vien bach, viec ban, viec bao
danh du » danh dau, danh tu, dinh du
va danh » va dinh, va dan, va hanh
so sach » so sanh, bo sach, co sach
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((ty nang) OR (ty hang)) xa hoi. hieu viec bach nuoc va danh du ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ty nang) OR (ty hang)) xa hoi. hieu viec bach nuoc va danh du ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ty nang) OR (ty hang)) xa hoi. hieu viec bach nuoc va danh du ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: so sach ((ty nang) OR (ty hang)) xa hoi. hieu viec bach nuoc va danh du ((cua te) or (cua tu))*.