Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"jun yang li slippers" » "juan yang li slippers", "jun yong li slippers", "lijun yang li slippers", "jun fang li slippers", "jun ying li slippers", "jun hang loi slippers", "jun yang li slippery", "jun yang 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 yang 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 yang li slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( jun yang li slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("jun yang li slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.