Perhaps you should try some spelling variations:
"phi toc cham snippets" » "phi toc code snippets", "phi toc thai snippets", "thi toc cham snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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 ("phi toc cham snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("phi toc cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( phi toc cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("phi toc cham snippets"))) or ("locating bug core snippets"))*.