Perhaps you should try some spelling variations:
"creating a a snippets" » "creating _ a snippets", "reading a a snippets"
"creating phau con snippets" » "creating phai con snippets", "creating phan cong snippets", "creating pham cong 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 phau con 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 phau con snippets") OR ("creating a a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating phau con snippets ) or ( creating a a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating phau con snippets") or ("creating a a snippets"))) or ("locating bug code snippets"))*.