Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan trong » quan trong, luat trong, luan tuong
thai tinh » thai binh, thai vinh, thanh tinh
van thang » van thanh, van khang, van hang
thang cao » thong cao, thang lao, nang cao
tri tinh » tri kinh, trieu tinh, vi tinh
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot ((tri tinh) OR (thai tinh)) - hanh doanh luan trong cong van thang cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot ((tri tinh) OR (thai tinh)) - hanh doanh luan trong cong van thang cao*".