Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

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