Perhaps you should try some spelling variations:
"reading he dai snippets" » "reading _ dai snippets", "reading 1 dai snippets", "reading 2 dai snippets", "reading he dan snippets", "reading hien dai snippets"
"creating a code slippers" » "creating _ code slippers", "reading a code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("reading he dai snippets") or ("creating a code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading he dai snippets") OR ("creating a code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( reading he dai snippets ) or ( creating a code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("reading he dai snippets") or ("creating a code slippers"))) or ("locating bug code snippets"))*.