Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
cua tinh » cua sinh, ha tinh, hoa tinh
van tuan » van quan, van ban, anh tuan
va tinh » may tinh
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 ((cua tinh) OR (va tinh)) - canh tranh cua ((nhung cong) or (thong cong)) van tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((cua tinh) OR (va tinh)) - canh tranh cua ((nhung cong) OR (thong cong)) van tuan cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((cua tinh) OR (va tinh)) - canh tranh cua ((nhung cong) or (thong cong)) van tuan cu".
• Adding a wildcard symbol may retrieve word variants: ho ((cua tinh) OR (va tinh)) - canh tranh cua ((nhung cong) or (thong cong)) van tuan cu*.