Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hung tu slippers" » "van dung tu slippers", "manh hung tu slippers", "van duong tu slippers", "van chung tu slippers", "van hung thu slippers", "van huong tu slippers", "van hung tu slippery", "van hung 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: (((("van hung 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: (((("van hung tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hung tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hung tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.