Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long luc cho snippets" » "long luc code snippets", "dong luc cho snippets", "long cuc cho snippets", "long lich cho snippets", "long luc cao snippets", "long nuoc cho snippets", "long luat cho 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 ("long luc cho snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("long luc cho snippets"))) OR ("locating bug core snippets")).
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