Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
thanh te » thanh ve, thanh de, thanh le
van chat » cao chat
hieu van » hieu va, thien van, lieu va
nang co » nang cao, nang doc, nang noi
su sach » so sach, vu sach
te sach » toc sach
co loi » co hoi
xuc va » tuc va, luc va, xac va
te va » tu va

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) or (su sach)) ky nang co loi. hieu van chat ((xuc va) or (duc va)) thanh te va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky nang co loi. hieu van chat ((xuc va) OR (duc va)) thanh te va triet.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) ky nang co loi. hieu van chat ((xuc va) or (duc va)) thanh te va triet*.