Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh hai » thanh phan, thanh hoa, thanh san
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
van cau » van dau, van hau, van chat
ky tang » ky nang, ky dang, ky trong
cua tre » cuu tre, cua triet, dua tren
cau xuc » cam xuc, cau luc, cau truc
xuc van » duc van, luc van, vuc van
su sac » su sach, su cac, su xac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky tang) or (kho tang)) xa hoi. hieu van cau xuc van thanh hai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky tang) OR (kho tang)) xa hoi. hieu van cau xuc van thanh hai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) or (kho tang)) xa hoi. hieu van cau xuc van thanh hai ((cua tre) or (cua te))*.