Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong van tu slippers" » "phung van tu slippers", "thong van tu slippers", "phong va tu slippers", "phong van thu slippers", "phong van du slippers", "phong ban tu slippers", "phong van tu slippery", "phong van 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: (((("phong van 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: (((("phong van tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong van tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong van tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.