Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
nhieu tang » chieu sang, hieu lang, nhiet nang
chiet tach » chieu sach
trung song » trung uong, trung dong, trung long
doanh cua » doanh luan
trung son » truong son, trung uong, trung hoc
van tuan » van quan, van ban, anh tuan
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((nhieu tang) or (chiet tach)) - chinh doanh cua ((trung song) OR (trung son)) van tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (chiet tach)) - chinh doanh cua ((trung song) OR (trung son)) van tuan cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((nhieu tang) or (chiet tach)) - chinh doanh cua ((trung song) OR (trung son)) van tuan cu".
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (chiet tach)) - chinh doanh cua ((trung song) OR (trung son)) van tuan cu*.