Perhaps you should try some spelling variations:
"creating van dau snippets" » "creating a dau snippets", "creating _ dau snippets", "creating van dao snippets", "creating phan dau snippets", "creating van dau slippers"
"reading a lu snippets" » "reading _ lu snippets", "reading 1 lu snippets", "reading 2 lu snippets", "reading a l snippets", "reading a tu snippets", "reading a lu slippers"
"locating bug code snippets" » "locating bug code slippers", "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 van dau snippets") or ("reading a lu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating van dau snippets") OR ("reading a lu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating van dau snippets ) or ( reading a lu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating van dau snippets") or ("reading a lu snippets"))) or ("locating bug code snippets"))*.