Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh mang » nhanh lang, nhanh quang, nhanh thang
thong cong » trong cong, tong cong, thong thong
hanh mang » hanh trang, nhanh lang, thanh hang
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 ((chieu sach) OR (chiet tach)) - ((hanh mang) or (nhanh mang)) cua thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - ((hanh mang) OR (nhanh mang)) cua thong cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - ((hanh mang) or (nhanh mang)) cua thong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - ((hanh mang) or (nhanh mang)) cua thong cong tan toan cau*.