Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bang cac sam snippets" » "nang cao sam snippets", "hang ca sam snippets", "dung cac sam snippets", "bang cac san snippets", "bang cac cam snippets", "bang cac ham 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 ("bang cac sam snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bang cac sam snippets"))) OR ("locating bug core snippets")).
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