Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
luan phan » luan van, luan hoan
qua chat » qua nhat, qua cham, luan chat
thanh di » thanh doi, thanh de, thanh do
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
xac ky » cac ky, sac ky
bac ky » cac ky, ban ky, sac ky
di cua » dai cua, doi cua, de cua
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: su ((xac ky) OR (bac ky)) nang x hoi. hieu ((qua chat) or (luan phan)) xuc van thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xac ky) OR (bac ky)) nang x hoi. hieu ((qua chat) OR (luan phan)) xuc van thanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((xac ky) OR (bac ky)) nang x hoi. hieu ((qua chat) or (luan phan)) xuc van thanh di cua tre*".