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