Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua hoang » cua hang, quan hoang, tuan hoang
vuong van » luong van, muong van, vung van
duong van » duong va, luong va, dang van
quang cao » nang cao, quang nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - hanh doanh cua hoang ((vuong van) or (duong van)) quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh doanh cua hoang ((vuong van) OR (duong van)) quang cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - hanh doanh cua hoang ((vuong van) or (duong van)) quang cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - hanh doanh cua hoang ((vuong van) or (duong van)) quang cao*.