Perhaps you should try some spelling variations:
"creating a c snippets" » "creating _ c snippets", "reading a c snippets", "creating a c1 snippets", "creating a co snippets", "creating va c snippets"
"creating luan san snippets" » "creating luan van snippets", "creating luan hoan snippets", "creating luan phan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating luan san snippets") or ("creating a c snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating luan san snippets") OR ("creating a c snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating luan san snippets ) or ( creating a c snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating luan san snippets") or ("creating a c snippets"))) or ("locating bug code snippets"))*.