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