Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hai tan slippers" » "phan ha tan slippers", "chan hai tan slippers", "phan dai tan slippers", "phan hai van slippers", "phan hai quan slippers", "phan hai tan slippery", "phan hai tan 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: (((("phan hai tan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hai tan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("phan hai tan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.