Perhaps you should try some spelling variations:
tinh viec » tinh viet, sinh viec, tich viec
thien van » thi van
dinh viec » dinh viet, sinh viec, sinh vien
cua triet » cua viet, su triet, va triet
ky sang » ky nang, ky dang, ky tang
sang ma » tang ma, nang ma, sang tao
nam luc » nang luc, nhan luc, nam thuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
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 sac ky sang ma hoi. ((lieu va) or (thien 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 sac ky sang ma hoi. ((lieu va) OR (thien 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 sac ky sang ma hoi. ((lieu va) or (thien van)) nam luc va ((tinh viec) OR (dinh viec)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ma hoi. ((lieu va) or (thien van)) nam luc va ((tinh viec) OR (dinh viec)) cua triet*.