Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
nam xuc » cam xuc, nam xua, nam thuc
xuc ban » duc ban, cuc ban, quoc ban
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, dua tren
so sanh » do sanh
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sanh) or (te sach)) ky nang o hoi. hieu van nam xuc ban hanh va ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (te sach)) ky nang o hoi. hieu van nam xuc ban hanh va ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (te sach)) ky nang o hoi. hieu van nam xuc ban hanh va ((cua tre) or (cua triet))*.