Perhaps you should try some spelling variations:
dang thuong » hang thuong, dung thuong, dong thuong
thuong dan » huong dan, thuong han, thuong dam
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
cua dang » cua cong, cua ban
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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 - canh tranh cua dang thuong dan khan cap~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh cua dang thuong dan khan cap*.