Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
trung cong » truong cong, trong cong, trung uong
cong quang » luong quang, thong quang, duong quang
hien xanh » hien hanh, hien nhanh, chieu xanh
cua trung » cua truong, xuan trung, cua nhung
quang van » quang ban, quan van, quang uan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((hanh doanh) or (kinh doanh)) cua trung cong quang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh doanh) OR (kinh doanh)) cua trung cong quang van ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh doanh) or (kinh doanh)) cua trung cong quang van ban*.