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