Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
hien sach » dien sach, kien sach, thien hach
cua trong » cua truong, cua trung, qua trong
cong dan » cong san, cong tan, huong dan
gian lan » gian lang, giang van, gian cac
gian dan » gian lang

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 trung) OR (manh trung)) cua trong cong dan ((gian lan) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - ((hanh trung) OR (manh trung)) cua trong cong dan ((gian lan) OR (gian dan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - ((hanh trung) OR (manh trung)) cua trong cong dan ((gian lan) or (gian dan))".
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - ((hanh trung) OR (manh trung)) cua trong cong dan ((gian lan) or (gian dan))*.