Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc che thuy snippets" » "hoc che thuoc snippets", "hoc thi thuy snippets", "hoc thu thuy snippets", "hoc he thuy snippets", "hoc cho thuy snippets", "hoc chu thuy snippets", "hoc che thuy 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: (((("hoc che thuy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc che thuy snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("hoc che thuy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.