Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
nhanh lang » nhanh quang, nhanh thang, nhan dang
thong cong » trong cong, tong cong, thong thong
chuc danh » chuc nganh, thuc hanh, chuc nang
cua thong » cua thuong, cua khong, cua tong
lang cua » mang cua, hang cua, long cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

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