Perhaps you should try some spelling variations:
"noi nam chat snippets" » "noi nam code snippets", "noi nam nhat snippets", "noi dam chat snippets", "noi lam chat snippets", "doi nam chat snippets", "voi nam chat snippets", "nguoi nam chat 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 ("noi nam chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("noi nam chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( noi nam chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("noi nam chat snippets"))) or ("locating bug core snippets"))*.