Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"pha van khoi snippets" » "pha van khoa snippets", "pha van khi snippets", "pha van choi snippets", "pham van khoi snippets", "phan van khoi snippets", "phap van khoi snippets"

Try widening your search to All Fields.

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