Perhaps you should try some spelling variations:
"creating vu hong snippets" » "creating _ hong snippets", "creating vu cong snippets", "creating vu thuong snippets", "creating du phong 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating vu hong 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 vu hong snippets") OR ("creating a a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating vu hong snippets ) or ( creating a a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating vu hong snippets") or ("creating a a snippets"))) or ("locating bug code snippets"))*.