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