Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kho tang » cao tang
ban hanh » ban hang
te sach » toc sach
ky lang » ky nang, ky dang, ky tang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky lang) or (kho tang)) xa hoi. lieu va cac xuc ban hanh vi ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (kho tang)) xa hoi. lieu va cac xuc ban hanh vi ((cua triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (kho tang)) xa hoi. lieu va cac xuc ban hanh vi ((cua triet) or (cuu tre))*.