Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"mot cay hung snippets" » "mot cam hung snippets", "mot cay rung snippets", "mot cay hong snippets", "mot cai hung snippets", "mot cach hung snippets", "trot cay hung snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("mot cay hung snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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