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"
"van cong tu snippets" » "van dong tu snippets", "van phong tu snippets", "phan cong tu snippets", "van cong ty snippets", "van cong cu 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 ("van cong tu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("van cong tu snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using raw snippets ) or ( van cong tu snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using raw snippets") or ("van cong tu snippets"))) or ("locating bug core snippets"))*.