Perhaps you should try some spelling variations:
khong duong » khong dung, khong xuong, thong duong
hanh doanh » hang doanh, chinh doanh, doanh doanh
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
doc lieu » duoc lieu, doc hieu, du lieu
van than » van thanh, van thang, van phan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc lieu tinh - hanh doanh cua khong duong ((van than) OR (van tuan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc lieu tinh - hanh doanh cua khong duong ((van than) OR (van tuan)) cao*".