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 dam snippets" » "phap cach dam snippets", "phan cac dam snippets", "pha cac dam snippets", "phap cac dan snippets", "phap cac dai snippets", "phap cao dam snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phap cac dam 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 dam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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