Perhaps you should try some spelling variations:
tinh vien » tinh dien, tinh viet, tinh hien
su triet » su viet, su tien, ve triet
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua
nam luc » nang luc, nhan luc, nam thuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay
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 nang cao hoi. hieu va nam luc va ((tinh vien) OR (sinh vien)) su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang cao hoi. hieu va nam luc va ((tinh vien) OR (sinh vien)) su triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang cao hoi. hieu va nam luc va ((tinh vien) OR (sinh vien)) su triet*.