Perhaps you should try some spelling variations:
"creating a a snippets" » "creating _ a snippets", "reading a a snippets"
"creating dung doi snippets" » "creating huong doi snippets", "creating dung tai snippets", "creating dung co 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 a a snippets") or ("creating dung doi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating a a snippets") OR ("creating dung doi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a a snippets ) or ( creating dung doi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a a snippets") or ("creating dung doi snippets"))) or ("locating bug code snippets"))*.