Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
cong hach » cong sach, cong thanh, cong khanh
va thong » va thuong, va phuong, he thong
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((dieu hanh) or (chieu xanh)) - hanh tang va thong cong hach ((toan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dieu hanh) OR (chieu xanh)) - hanh tang va thong cong hach ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((dieu hanh) or (chieu xanh)) - hanh tang va thong cong hach ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((dieu hanh) or (chieu xanh)) - hanh tang va thong cong hach ((toan ban) OR (van ban))*.