Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi che hoat snippets" » "phi che code snippets", "phi che khoa snippets", "phi cao hoat snippets", "phi co hoat snippets", "pha che hoat snippets", "phap che hoat snippets", "ghi chep hoat 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: (((("phi che hoat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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