Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"rong cho doc snippets" » "rong cho code snippets", "trong cho doc snippets", "dong cho doc snippets", "luong cho doc snippets", "rong cho duoc snippets", "rong cho hoc snippets", "rong cho doi 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 ("rong cho doc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("rong cho doc snippets"))) OR ("locating bug core snippets")).
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