Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
doanh luan » doanh nhan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 - doanh ((doanh cua) OR (doanh luan)) thong cong dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - doanh ((doanh cua) OR (doanh luan)) thong cong dan ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - doanh ((doanh cua) OR (doanh luan)) thong cong dan ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh ((doanh cua) OR (doanh luan)) thong cong dan ((toan tai) or (toan cao))*.