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