Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
cau xuc » cau luc, cau truc, chat xuc
cuu tre » cua tre, cau tren, cau treo
dang ha » dong ha, dung ha, lang ha
sang ky » sang kyo, dang ky, tang ky
ha hoi » hoa hoi, ha noi, xa hoi
san ky » van ky, dan ky, ban ky
vi cuu » vi luu, vinh cuu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (sang ky)) dang ha hoi. hieu van ((cau xuc) OR (cam xuc)) ban thanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((san ky) OR (sang ky)) dang ha hoi. hieu van ((cau xuc) or (cam xuc)) ban thanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) OR (sang ky)) dang ha hoi. hieu van ((cau xuc) or (cam xuc)) ban thanh vi cuu tre*.