Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
quang ban » quang binh, quang tuan, quang tran
chao thu » chao chu, cao thu, cao thi
thu sang » thu hang, thu san, thu bang
cong tap » cuong tap, cong tac, cong tan
quan ban » qua ban, quan van, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao thu sang - canh tranh cua nhung cong tap ((quan ban) OR (quang ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao thu sang - canh tranh cua nhung cong tap ((quan ban) OR (quang ban))".
• Adding a wildcard symbol may retrieve word variants: chao thu sang - canh tranh cua nhung cong tap ((quan ban) OR (quang ban))*.