Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan huy doi snippets" » "phan huy code snippets", "phan tu doi snippets", "phan xay doi snippets", "van huy doi snippets", "phan thay doi snippets", "phan huy dong snippets", "phan thuc doi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan huy doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan huy doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("phan huy doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.