Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
doanh chuc » doanh chu, doanh thuc, doanh chung
hien xanh » hien hanh, hien nhanh, chieu xanh
nang cong » nang song, dang cong, bang cong
tang van » dang van, hoang van, trong van
tan van » tran van, dang van, tan tran
luan » quan, lan

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 - hang doanh chuc nang cong ((((tan van) OR (tang van))) or (luan van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hang doanh chuc nang cong ((((tan van) OR (tang van))) OR (luan van)) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hang doanh chuc nang cong ((((tan van) OR (tang van))) or (luan van)) ban*".