Perhaps you should try some spelling variations:
"thu pham sio2 snippets" » "thu pham sinh snippets", "thuc pham sio2 snippets", "thu phan sio2 snippets", "thuc phan sio2 snippets", "thu pham 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: (((("thu pham 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: (((("thu pham sio2 snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thu pham sio2 snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.