Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van nam map slippers" » "van nam ap slippers", "van nham mat slippers", "van ngam mat slippers", "van nam map slippery", "van nam map grippers"
"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 nam map slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van nam map slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van nam map slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van nam map slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.