Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cuu hoc lang snippets" » "cuu hoc bang snippets", "cuu hoc hang snippets", "cuu hoc mang snippets", "cua hoc lang snippets", "cuu thuoc lang snippets", "cuu khoa lang 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 ("cuu hoc lang snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cuu hoc lang snippets"))) OR ("locating bug core snippets")).
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