Perhaps you should try some spelling variations:
sanh thu » sach thu, san thu, doanh thu
thu tang » thu trang, thu thang, thu hang
cham luc » nhan luc, cham cuu, chat lua
van hanh » van thanh, ban hanh, van anh
so sanh » do sanh
van hoe » van hoc, van hieu, van hien
hanh va » hang va, hanh vi
va cua » va chua, via cua, ca cua
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: so sanh thu tang ((van hoe) or (van hoa)). hieu qua ((cham luc) or (cham soc)) van hanh va cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thu tang ((van hoe) OR (van hoa)). hieu qua ((cham luc) OR (cham soc)) van hanh va cua tu.
• Adding a wildcard symbol may retrieve word variants: so sanh thu tang ((van hoe) or (van hoa)). hieu qua ((cham luc) or (cham soc)) van hanh va cua tu*.