Perhaps you should try some spelling variations:
cong khanh » cong thanh, cong khan, cong nhan
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, cua tong
cong hach » cong sach, cong thanh, trong hach
cau danh » cao danh, chuc danh, nam danh
mang cua » manh cua, dung cua, ban cua
toan tap » toan ban
vu dinh » quy dinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((cau danh) or (vu dinh)) - hanh mang cua thong ((cong hach) OR (cong khanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((cau danh) OR (vu dinh)) - hanh mang cua thong ((cong hach) OR (cong khanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((cau danh) or (vu dinh)) - hanh mang cua thong ((cong hach) OR (cong khanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((cau danh) or (vu dinh)) - hanh mang cua thong ((cong hach) OR (cong khanh)) toan tap*.