Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
hieu van » hieu va, thien van, lieu va
van chat » cao chat
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
dua ban » dia ban, cua ban, qua ban
duc van » duc va, duc tan, duc manh
cua te » cua tu
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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 nang xa hoi. hieu van chat ((dua ban) or (duc van)) thanh vi ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu van chat ((dua ban) OR (duc van)) thanh vi ((cua te) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu van chat ((dua ban) or (duc van)) thanh vi ((cua te) or (cuu tre))*.