Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ket dan slippers" » "gan ket dan slippers", "luan ket dan slippers", "van kien dan slippers", "van ket doan slippers", "van ke dan slippers", "van ket van slippers", "van ket dan slippery", "van ket 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: (((("van ket 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: (((("van ket dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ket dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ket dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.