Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khat ha tham snippets" » "kham pha tham snippets", "chat hoa tham snippets", "khac hau tham snippets", "khat kha tham snippets", "khat va tham snippets", "khat ha thao snippets", "khat ha tham 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: (((("khat ha tham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khat ha tham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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