Perhaps you should try some spelling variations:
"creating a c1ourse snippets" » "creating _ c1ourse snippets", "creating a course snippets", "creating a c11ourse snippets", "creating a co1ourse snippets", "creating va c1ourse snippets"
"reading a c snippets" » "reading _ c snippets", "reading 1 c snippets", "reading 2 c snippets", "reading a c1 snippets", "reading a co snippets", "reading va c 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 c1ourse snippets") or ("reading a c snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating a c1ourse snippets") OR ("reading a c snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating a c1ourse snippets ) or ( reading a c snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating a c1ourse snippets") or ("reading a c snippets"))) or ("locating bug code snippets"))*.