Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc manh cnc snippets" » "duc manh code snippets", "suc manh cnc snippets", "duc anh cnc snippets", "duc minh cnc snippets", "duc manh cua snippets", "duc hanh cac snippets", "duc manh cam 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: (((("python using java snippets") or ("duc manh cnc snippets"))) or ("locating bug core snippets"))~.
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