Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
tinh vien » sinh vien, tinh dien, tinh viet
su triet » su viet, su tien, ve triet
nhan luc » nang luc
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
va tinh » may tinh
cao hoi » cau hoi, co hoi, cao hoc
sac ky » sai ky
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) OR (cac ky)) nang cao hoi. hieu va nhan luc va tinh vien ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) nang cao hoi. hieu va nhan luc va tinh vien ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) nang cao hoi. hieu va nhan luc va tinh vien ((cua triet) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) nang cao hoi. hieu va nhan luc va tinh vien ((cua triet) or (su triet))*.