Perhaps you should try some spelling variations:
"cau triet sio2 snippets" » "cau trieu sio2 snippets", "su triet sio2 snippets", "cua triet sio2 snippets", "cau triet sio2 slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("cau triet sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau triet sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cau triet sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.