Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat voi dan slippers" » "phat vi dan slippers", "pham voi dan slippers", "pho voi dan slippers", "phat hoi dan slippers", "phat voi can slippers", "phat doi dan slippers", "phat voi dan slippery", "phat voi 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: (((("phat voi 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: (((("phat voi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat voi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat voi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.