Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sang » thu hang, thu san, thu bang
van tuan » van quan, van ban, anh tuan
cham cuu » cap cuu, chat cua
tu cham » toc cham, thi cham
van cua » vang cua, ban cua, dan cua
hieu tu » chieu tu, hieu tuc, hien tu
sang ky » sang kyo, dang ky, tang ky
lang ha » long ha
tang ha » tang ma, trung ha, tang van
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sang ky ((tang ha) or (lang ha)) noi. hieu tu cham cuu ((van tuan) or (ban thanh)) van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sang ky ((tang ha) OR (lang ha)) noi. hieu tu cham cuu ((van tuan) OR (ban thanh)) van cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sang ky ((tang ha) or (lang ha)) noi. hieu tu cham cuu ((van tuan) or (ban thanh)) van cua tre*.