Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung nam le snippets" » "chung nam code snippets", "thong nam le snippets", "chung ta le snippets", "sung nam le snippets", "chung nam lo snippets", "chung nam he snippets", "chung nam de 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 ("chung nam le snippets"))) or ("locating bug core snippets"))~.
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