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