Perhaps you should try some spelling variations:
"phan le dac snippets" » "pham le dac snippets", "phan mem dac snippets", "phan lap dac snippets", "phan le dan snippets", "phan le duc snippets", "phan le dac 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: (((("phan le dac snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan le dac snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
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