Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
khong cong » khong cang, chong cong, khong con
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
dang cac » dung cac, bang cac, dong cac
cac thu » cach thuc, cac thoi

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

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