Perhaps you should try some spelling variations:
"chu tich ho chi dinh." » "chu tich ho chi minh." (Expand Search), "chu tich ho chi danh." (Expand Search), "chu tich ho chi linh." (Expand Search), "chu lich ho chi dinh." (Expand Search)
"chu tich ho chi tinh." » "chu tich ho chi minh." (Expand Search), "chu tich ho moi tinh." (Expand Search), "chu tich ho vi tinh." (Expand Search), "chu lich ho chi tinh." (Expand Search)
"chu dich ho chi tinh." » "chu dich ho chi minh." (Expand Search), "chu dich ho moi tinh." (Expand Search), "chu dich ho vi tinh." (Expand Search), "cac dich ho chi tinh." (Expand Search), "chu dich hoc chi tinh." (Expand Search), "chu dinh ho chi tinh." (Expand Search), "chu dich co chi tinh." (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("chu tich ho chi dinh.") OR ((("chu tich ho chi tinh.") OR ("chu dich ho chi tinh."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"chu tich ho chi dinh.\") OR (((\"chu tich ho chi tinh.\") OR (\"chu dich ho chi tinh.\"))))".
• Removing quotes may allow a broader search: (( chu tich ho chi dinh. ) OR ((( chu tich ho chi tinh. ) OR ( chu dich ho chi tinh. )))).
• Adding a wildcard symbol may retrieve word variants: (("chu tich ho chi dinh.") OR ((("chu tich ho chi tinh.") OR ("chu dich ho chi tinh."))))*.