Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu xanh » chieu xanh, thien anh, thien danh
nhan chong » nhanh chong, nhan khong, nhan thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong dan » cong san, cong tan, cong dong
han tu » phan tu, hanh tu, ban tu

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 (hieu manh)) - doanh doanh nhan chong ((cong dan) or (huong dan)) han tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - doanh doanh nhan chong ((cong dan) OR (huong dan)) han tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - doanh doanh nhan chong ((cong dan) or (huong dan)) han tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - doanh doanh nhan chong ((cong dan) or (huong dan)) han tu*.