Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
co sach » bo sach, cuon sach, hoc sach
xuc van » duc van, luc van, xuc ban
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
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: co sach y nang x hoi. hieu ((ve cam) or (va cam)) xuc van hanh vi ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang x hoi. hieu ((ve cam) OR (va cam)) xuc van hanh vi ((cua triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: co sach y nang x hoi. hieu ((ve cam) or (va cam)) xuc van hanh vi ((cua triet) or (cuu tre))*.