Perhaps you should try some spelling variations:
"ca dam toan snippets" » "ca dam code snippets", "ca dan toan snippets", "ca tam toan snippets", "ca dam thanh snippets", "cao dam toan snippets", "cua dam toan snippets", "ca dao toan snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("ca dam toan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ca dam toan snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ca dam toan snippets"))) or ("locating bug core snippets"))*.