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