Perhaps you should try some spelling variations:
cong thuong » hang thuong
hanh tranh » canh tranh, hanh trinh, hanh trang
tieu sang » chieu sang, tieu dung, tiem nang
tranh cua » doanh cua, manh cua
cong nong » cong dong, cong cong, cong trong
than cau » phan cau, than cap, thanh chau
toan cau » 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: theo tieu sang - hanh tranh cua ((cong nong) or (cong thuong)) dan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh tranh cua ((cong nong) OR (cong thuong)) dan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - hanh tranh cua ((cong nong) or (cong thuong)) dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh tranh cua ((cong nong) or (cong thuong)) dan ((than cau) OR (toan cau))*.