Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
cuong danh » cuon danh, huong dan, cuong linh
kien sach » dien sach, vien bach, viet sach
kien mac » dien mao, tien mai, kien ha
cong dan » cong san, cong tan, huong dan
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: hoc ((kien sach) OR (kien mac)) - hanh trinh quan nhung ((cong dan) or (cuong danh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((kien sach) OR (kien mac)) - hanh trinh quan nhung ((cong dan) OR (cuong danh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((kien sach) OR (kien mac)) - hanh trinh quan nhung ((cong dan) or (cuong danh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((kien sach) OR (kien mac)) - hanh trinh quan nhung ((cong dan) or (cuong danh)) toan ban*.