Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung phu a1 slippers" » "dung phan a1 slippers", "dung cho a1 slippers", "dung he a1 slippers", "dung phu a1 slippery", "dung phu a1 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: (((("dung phu a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phu a1 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phu a1 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phu a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.