Perhaps you should try some spelling variations:
"creating a a snippets" » "creating _ a snippets", "reading a a snippets", "creating a a slippers"
"creating duong va snippets" » "creating duong van snippets", "creating dung va snippets", "creating luong va snippets", "creating duong va 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 a a snippets") or ("creating duong va 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 duong va snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a a snippets ) or ( creating duong va snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a a snippets") or ("creating duong va snippets"))) or ("locating bug code snippets"))*.