Perhaps you should try some spelling variations:
"gap cac cach snippets" » "gap cac code snippets", "gap cai cach snippets", "gap cuoc cach snippets", "gap va cach snippets", "tap cac cach snippets", "gian cac cach snippets", "giai cac cach snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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