Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lanh tranh » canh tranh, lan tranh, hanh trinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu bang » thu bang, chuc nang, chu quang
chat » nhat, phat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu bang - lanh tranh cua ((thong cong) OR (dung cong)) dan ((cao cap) OR (cao chat))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu bang - lanh tranh cua ((thong cong) or (dung cong)) dan ((cao cap) OR (cao chat))~".
• Adding a wildcard symbol may retrieve word variants: theo chu bang - lanh tranh cua ((thong cong) or (dung cong)) dan ((cao cap) OR (cao chat))*.