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