Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
dung truong » duong truong, dung trong, dung trung
hanh doanh » hang doanh, chinh doanh, doanh doanh
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua dung » cua dang, cua dong, qua dung
san hang » san chang, ban hang, san sang
van hang » van khang, van hoang, van thang
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh doanh cua dung truong thanh ((san hang) or (van hang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh doanh cua dung truong thanh ((san hang) OR (van hang)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh doanh cua dung truong thanh ((san hang) or (van hang))*.