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