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