Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan hoc 2013 snippets" » "dan hoc 2012 snippets", "dan doi 2013 snippets", "dan moi 2013 snippets", "van hoc 2013 snippets", "dan toc 2013 snippets", "dai hoc 2013 snippets", "dan hoc 2013 slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dan hoc 2013 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoc 2013 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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