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