Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc cong le snippets" » "hoc cong code snippets", "hoc co le snippets", "cac cong le snippets", "hoc dung le snippets", "hoc cuong le snippets", "hoc cong li snippets", "hoc hong le 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: (((("hoc cong le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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