Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con den di snippets" » "con de di snippets", "don den di snippets", "cuong den di snippets", "con dien di snippets", "con den do snippets", "con ben di 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: (((("con den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con den di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con den di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.