Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
thieu xanh » chieu xanh, hieu manh, thien anh
dien thanh » den thanh, tien thanh, dinh thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
dien than » dien toan, dien phan, dien han

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (lieu tinh)) - canh doanh cua thong thong ((dien than) OR (dien thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (lieu tinh)) - canh doanh cua thong thong ((dien than) OR (dien thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (lieu tinh)) - canh doanh cua thong thong ((dien than) OR (dien thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (lieu tinh)) - canh doanh cua thong thong ((dien than) OR (dien thanh)) cau*.