Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
tinh tiep » tinh tien, trinh tien, tinh thiet
hieu van » hieu va, thien van, lieu va
va triet » va thiet, va trien, ve triet
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nang luc, nhan luc, nam thuc
va tinh » may tinh
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 cac ky nang cao hoi. hieu van nam luc va tinh tiep ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang cao hoi. hieu van nam luc va tinh tiep ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang cao hoi. hieu van nam luc va tinh tiep ((cua triet) OR (va triet))*.