Perhaps you should try some spelling variations:
"creating aao cong snippets" » "creating _ cong snippets", "creating _ao cong snippets", "reading aao cong snippets", "creating cao cong snippets", "creating vao cong snippets", "creating dao cuong snippets"
"creating a a snippets" » "creating _ a snippets", "reading a a 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 aao cong 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 aao cong snippets") OR ("creating a a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating aao cong snippets ) or ( creating a a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating aao cong snippets") or ("creating a a snippets"))) or ("locating bug code snippets"))*.