Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac doan va slippers" » "bac dan va slippers", "cac doanh va slippers", "ban doanh va slippers", "bac doan va slippery", "bac doan va 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: (((("bac doan va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac doan va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac doan va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac doan va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.