Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
dung cong » dung trong
gian dau » gian dac, gia dau, giam dau
gian dan » gian lang

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 - hanh doanh cua ((nhung cong) OR (dung cong)) dan ((gian dau) OR (gian dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh doanh cua ((nhung cong) OR (dung cong)) dan ((gian dau) OR (gian dan))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh doanh cua ((nhung cong) OR (dung cong)) dan ((gian dau) OR (gian dan))*.