Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trao doi can snippets" » "trao doi code snippets", "tao doi can snippets", "trao khoi can snippets", "truan doi can snippets", "trao doi canh snippets", "trao doi ban snippets", "trao voi can 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: (((("trao doi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trao doi can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("trao doi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.