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