Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"pho na zhang snippets" » "pho nam thang snippets", "pho tao zhang snippets", "pho yan zhang snippets", "pho nam zhang snippets", "pho ha zhang snippets", "pho da zhang snippets", "pho na zhang slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 data snippets") or ("pho na zhang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("pho na zhang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( pho na zhang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("pho na zhang snippets"))) or ("locating bug code snippets"))*.