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