Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"cac toi tinh snippets" » "cac thoi tinh snippets", "cac hoi tinh snippets", "cac tri tinh 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 raw snippets") or ("cac toi tinh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("cac toi tinh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using raw snippets ) or ( cac toi tinh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using raw snippets") or ("cac toi tinh snippets"))) or ("locating bug core snippets"))*.