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