Perhaps you should try some spelling variations:
dinh viec » dinh viet, sinh viec, sinh vien
tinh viec » tinh viet, sinh viec, tich viec
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
mai hoi » mai khoi, dai hoi, lai hoi
nam luc » nang luc, nhan luc, nam thuc
ma hoi » xa hoi, ma hoa, me hoi
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((ma hoi) OR (mai hoi)). hieu van nam luc va ((tinh viec) or (dinh viec)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((ma hoi) OR (mai hoi)). hieu van nam luc va ((tinh viec) OR (dinh viec)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((ma hoi) OR (mai hoi)). hieu van nam luc va ((tinh viec) or (dinh viec)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((ma hoi) OR (mai hoi)). hieu van nam luc va ((tinh viec) or (dinh viec)) cua triet*.