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