Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van den mong snippets" » "van den muong snippets", "van nen mong snippets", "van den cong snippets", "van de mong snippets", "van der mong snippets", "ban den mong 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: (((("van den mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van den mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van den mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van den mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.