Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan va mach snippets" » "phan van mach snippets", "nhan va mach snippets", "han va mach snippets", "phan va cach snippets", "phan vi mach snippets", "phan ban mach snippets"

Try widening your search to All Fields.

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