Perhaps you should try some spelling variations:
tinh vien » sinh vien, tinh dien, tinh viet
hieu van » hieu va, thien van, lieu va
vien cua » viec cua, dien cua, tien cua
cua viet » ca viet, hoa viet, cua vat
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nang luc, nhan luc, nam thuc
luc may » truc may, phuc may
tu sac » tu sach, tu cac, tu bac
tu san » thu san, tu ban, tu can

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