Perhaps you should try some spelling variations:
chung phuong » nhung phuong, thuong phuong, dung phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trang luan » tang luan, tranh luan, truong luan
trang tuan » tran tuan, trung tuan, trong tuan
manh toan » thanh toan, anh tuan, tinh toan
anh toan » anh tuan, thanh toan, nganh toan

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 - hanh ((trang luan) or (trang tuan)) chung phuong ((anh toan) OR (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((trang luan) OR (trang tuan)) chung phuong ((anh toan) OR (manh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trang luan) or (trang tuan)) chung phuong ((anh toan) OR (manh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trang luan) or (trang tuan)) chung phuong ((anh toan) OR (manh toan)) tap*.