Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc dinh ho snippets" » "duc minh ho snippets", "duc hinh ho snippets", "duc kinh ho snippets", "duc dinh hoa snippets", "duc dinh tho snippets", "duc dinh hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("duc dinh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc dinh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc dinh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc dinh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.