Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dung tren » dung trong, dung trung
cuu tre » cua tre, cau tren, cau treo
van anh » tuan anh, van minh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
hai ky » thai ky, hoi ky, hai ly
ve cam » ve cham, ve cac, va cam
su hai » su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su hai ky nang xa hoi. hieu ve cam duc ((van anh) OR (van thanh)) tai ((dung tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su hai ky nang xa hoi. hieu ve cam duc ((van anh) OR (van thanh)) tai ((dung tren) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su hai ky nang xa hoi. hieu ve cam duc ((van anh) OR (van thanh)) tai ((dung tren) or (cuu tre))*".