Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long cao toc snippets" » "long cao code snippets", "luong cao toc snippets", "cong cao toc snippets", "dong cao toc snippets", "long cac toc snippets", "long cao hoc snippets", "long cao ngoc 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: (((("long cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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