Perhaps you should try some spelling variations:
cong thuong » hang thuong
theo chieu » theo tieu, theo chu, thi chieu
tranh chua » tranh cua, trinh chuan, tranh chap
cong luong » nang luong, cong dong, cong cong
chua xang » chua nang, chuc nang, chu bang
ho chieu » hoc thieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) xanh - canh tranh chua xang ((cong luong) OR (cong thuong)) hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh tranh chua xang ((cong luong) OR (cong thuong)) hang va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - canh tranh chua xang ((cong luong) OR (cong thuong)) hang va".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - canh tranh chua xang ((cong luong) OR (cong thuong)) hang va*.