Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hung dao le snippets" » "hung dao code snippets", "huong dan le snippets", "duong dao le snippets", "luong dao le snippets", "hung do le snippets", "hung dao ve snippets", "hung hao 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: (((("hung dao le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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