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