Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nhan luc » nang luc
va hanh » van hanh, va thanh, va danh
ve nhan » ve nha, de nhan, va nhan
su cach » su sach, tu cach, su cac
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
1 ha » y ha, _ ha, o ha

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cach ((tu nano) OR (truc nano)) 1 ha. hieu ve nhan luc va hanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach ((tu nano) OR (truc nano)) 1 ha. hieu ve nhan luc va hanh vi ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach ((tu nano) OR (truc nano)) 1 ha. hieu ve nhan luc va hanh vi ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su cach ((tu nano) OR (truc nano)) 1 ha. hieu ve nhan luc va hanh vi ((cua triet) or (cua viet))*.