Perhaps you should try some spelling variations:
"creating a a snippets" » "creating _ a snippets", "reading a a snippets"
"creating diem cua snippets" » "creating dieu cua snippets", "creating diem ca snippets", "creating dien cua 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 diem cua 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 diem cua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a a snippets ) or ( creating diem cua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a a snippets") or ("creating diem cua snippets"))) or ("locating bug code snippets"))*.