Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, huong tran, phuong anh
thanh thong » thanh thuong, thanh hong, thanh thang
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cua » thong quan, thong tu, huong cua
cua thong » cua thuong, cua khong, cua tong
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 - thanh thong cua thong ((phuong trinh) OR (cong trinh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh thong cua thong ((phuong trinh) OR (cong trinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh thong cua thong ((phuong trinh) OR (cong trinh)) toan cau*.