Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cho ban mach snippets" » "cho ban sach snippets", "cho ranh mach snippets", "cho ban hanh snippets", "cho band mach snippets", "co ban mach snippets", "cho bac mach snippets"

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 ("cho ban mach snippets"))) or ("locating bug core snippets"))~.
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