Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung kem he snippets" » "dung kem code snippets", "vung kem he snippets", "dong kem he snippets", "dung ket he snippets", "dung ke he snippets", "dung kem theo snippets", "dung kem hieu 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: (((("dung kem he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung kem he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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