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