Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
va triet » va thiet, va trien, ve triet
tu cach » tu cac
cach tu » cach thuc
tu nano » truc nano
hieu ve » hieu va, hieu van
va dinh » van dinh, va kinh, va tinh
dinh tu » danh tu, dinh cu, tinh tu
nano x » nano 1, nano o
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tu nano x hoi. hieu ve ((cham xuc) OR (cham soc)) va dinh tu va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach tu nano x hoi. hieu ve ((cham xuc) OR (cham soc)) va dinh tu va triet".
• Adding a wildcard symbol may retrieve word variants: tu cach tu nano x hoi. hieu ve ((cham xuc) OR (cham soc)) va dinh tu va triet*.