Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tang luan » dung luan
bang luan » hang luan, dung luan, tong luan
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((tang luan) OR (bang luan)) khong cong san ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((tang luan) OR (bang luan)) khong cong san ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang luan) OR (bang luan)) khong cong san ((toan cau) OR (toan ban))*.