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
cong thanh » dong thanh, cong trinh, cong tan
cuong danh » cuon danh, huong dan, cuong linh
hien sach » dien sach, kien sach, thien hach
cong danh » cong dan, cong khanh, cong san
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 hien sach - hanh trinh quan nhung ((((cong danh) OR (cong thanh))) or (cuong danh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh trinh quan nhung ((((cong danh) OR (cong thanh))) OR (cuong danh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - hanh trinh quan nhung ((((cong danh) OR (cong thanh))) or (cuong danh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh trinh quan nhung ((((cong danh) OR (cong thanh))) or (cuong danh)) toan ban*.