Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sinh van cuc snippets" » "sinh van code snippets", "sinh vat cuc snippets", "dinh van cuc snippets", "sinh va cuc snippets", "sinh van duc snippets", "sinh van luc snippets", "sinh van cu 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: (((("sinh van cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh van cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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