Perhaps you should try some spelling variations:
dung thuong » dung trong, hang thuong, cong thuong
dang thuong » hang thuong, dong thuong, nang thuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
dam than » dam thanh, tam than, dam phan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh tranh cua ((dang thuong) OR (dung thuong)) dam than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tranh cua ((dang thuong) OR (dung thuong)) dam than cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua ((dang thuong) OR (dung thuong)) dam than cau*.