Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hoc cac snippets" » "van hoc code snippets", "van hoa cac snippets", "van hoc cao 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.

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