Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
su cach » su sach, tu cach, su cac
cach tu » cach thuc
tu nano » truc nano
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nano x » nano 1, nano o
soc va » hoc va, loc va, goc va
doc va » duoc va, hoc va, duc va

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 x ho. hieu ve cham ((soc va) or (doc 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 x ho. hieu ve cham ((soc va) OR (doc va)) hanh vi ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: su cach tu nano x ho. hieu ve cham ((soc va) or (doc va)) hanh vi ((cua triet) or (cua viet))*.