Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh toan
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
than cua » nhan cua, thai cua, ban cua
xuc ban » duc ban, cuc ban, quoc ban
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
toc sac » toc sach, toc san, hoc sach
nang xa » lang xa, nang ma, ang xa
mang xa » lang xa, mang may, dang xay
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky ((((nang xa) or (mang xa))) or (nang x)) hoi. hieu van cau xuc ban thanh than cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky ((((nang xa) OR (mang xa))) OR (nang x)) hoi. hieu van cau xuc ban thanh than cua tu.
• Adding a wildcard symbol may retrieve word variants: toc sac ky ((((nang xa) or (mang xa))) or (nang x)) hoi. hieu van cau xuc ban thanh than cua tu*.