Perhaps you should try some spelling variations:
tinh viec » tinh viet, dinh viec, sinh viec
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
tu sach » thu sach, su sach, te sach
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nang luc, nhan luc, nam duoc
va tinh » may tinh
tu sac » tu cac, tu san, tu bac

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) or (tu sach)) ky nang cao hoi. hieu van ((nam luc) or (nam thuc)) va tinh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang cao hoi. hieu van ((nam luc) OR (nam thuc)) va tinh viec cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang cao hoi. hieu van ((nam luc) or (nam thuc)) va tinh viec cua triet*.