Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khat su cau snippets" » "khat su code snippets", "khat sua cau snippets", "khap su cau snippets", "achat su cau snippets", "khat cu cau snippets", "khat su cao snippets", "khat su can 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: (((("khat su cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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