Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
cach tu » cach thuc
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
su cach » su sach, tu cach, su cac
tu nano » truc nano
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
mo ho » mo hoc
o ho » o hoc, o hoa, o hoi

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 ((o ho) OR (mo ho)). hieu ve cham xuc va hanh vi ((su triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach tu nano ((o ho) OR (mo ho)). hieu ve cham xuc va hanh vi ((su triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach tu nano ((o ho) OR (mo ho)). hieu ve cham xuc va hanh vi ((su triet) or (cua viet))*".