Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phap cac duc snippets" » "phap cach duc snippets", "phan cac duc snippets", "pha cac duc snippets", "phap cac du snippets", "phap cac dac snippets", "phap cao duc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phap cac duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap cac duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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