Perhaps you should try some spelling variations:
chuong chua » huong cua, chung cua, chung chuan
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
chuong cua » huong cua, chung cua, cuong cua
dung cong » dung trong
cong tap » cuong tap, cong tac, cong tan
toan cao » toan tap
toan ban » van ban

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 - nhanh ((chuong cua) OR (chuong chua)) dung cong tap ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhanh ((chuong cua) OR (chuong chua)) dung cong tap ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - nhanh ((chuong cua) OR (chuong chua)) dung cong tap ((toan cao) or (toan ban))*".