Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc nghe cnc snippets" » "duc nghe code snippets", "duc nghia cnc snippets", "duc ngoc cnc snippets", "day nghe cnc snippets", "duc nghe cong snippets", "duc nghe che snippets", "duc nghe co 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 ("duc nghe cnc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc nghe cnc snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc nghe cnc snippets"))) or ("locating bug core snippets"))*.