Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"phan tan ca snippets" » "phan van ca snippets", "phan tap ca snippets", "phan lan ca snippets", "phan tan cua snippets", "phan tang ca snippets", "phan dan ca snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan tan ca snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tan ca snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
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