Perhaps you should try some spelling variations:
tieng manh » tieng anh, tien manh, tieng han
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc tieng » hoc hien
doanh cua » doanh luan
van chat » cao chat

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieng manh - canh doanh cua ((nhung cong) OR (thong cong)) van chat va~".
• Adding a wildcard symbol may retrieve word variants: hoc tieng manh - canh doanh cua ((nhung cong) OR (thong cong)) van chat va*.