Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khung gon bo snippets" » "khung gon code snippets", "khung mon bo snippets", "khung long bo snippets", "nhung don bo snippets", "khung con bo snippets", "khung hon bo 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 ("khung gon bo snippets"))) or ("locating bug core snippets"))~.
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