Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh tranh » canh tranh, hanh trinh, hanh trang
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
dung cong » dung trong
thanh ban » thanh san, thanh van, thanh bac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh tranh cua ((nhung cong) or (dung cong)) dan ((toan ban) or (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh tranh cua ((nhung cong) OR (dung cong)) dan ((toan ban) OR (thanh ban)).
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh tranh cua ((nhung cong) or (dung cong)) dan ((toan ban) or (thanh ban))*.