Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van ba nham slippers" » "van ba ham slippers", "van ban nhan slippers", "van bac nhat slippers", "van ban nham slippers", "van bao nham slippers", "van bac nham slippers", "van ba nham slippery", "van ba nham grippers"

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 ("van ba nham slippers"))) or ("locating bug core snippets"))~.
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