Perhaps you should try some spelling variations:
nhung phuong » dung phuong, truong phuong, bang phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhu phuong » thu phuong, thi phuong, thu huong
thanh cac » hanh cac, thanh bac, thanh ca
tung cua » trung cua, tuong cua, dung cua
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 tung cua ((nhung phuong) OR (nhu phuong)) bac ((toan cau) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tung cua ((nhung phuong) OR (nhu phuong)) bac ((toan cau) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tung cua ((nhung phuong) OR (nhu phuong)) bac ((toan cau) or (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tung cua ((nhung phuong) OR (nhu phuong)) bac ((toan cau) or (thanh cac))*.