Perhaps you should try some spelling variations:
"lanh vung dat snippets" » "lanh chung dat snippets", "manh hung dat snippets", "manh tung dat snippets", "lanh dung dat snippets", "lanh vung va snippets", "lanh vung dat slippers"
"python using a snippets" » "python using 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: (((("python using a snippets") or ("lanh vung dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("lanh vung dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( lanh vung dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("lanh vung dat snippets"))) or ("locating bug code snippets"))*.