Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khen ca ra snippets" » "khien cau ra snippets", "khan cap ra snippets", "when can ra snippets", "khen ca tra snippets", "khen cau ra snippets", "khen ca va snippets", "khen ca ra 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.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("khen ca ra snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khen ca ra snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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