Perhaps you should try some spelling variations:
"creating vu hoan snippets" » "creating _ hoan snippets", "creating vu hoang snippets", "creating su hoan snippets", "creating thu hoan snippets"
"creating a a snippets" » "creating _ a snippets", "reading a a snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("creating vu hoan snippets") OR ("creating a a snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( creating vu hoan snippets ) or ( creating a a snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("creating vu hoan snippets") or ("creating a a snippets"))) or ("locating bug code snippets"))*.