Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban trinh c snippets" » "ban tinh c snippets", "dan trinh c snippets", "van trinh c snippets", "ban trinh co snippets", "ban trinh _ snippets", "ban trinh cau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("ban trinh c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban trinh c snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("ban trinh c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.