Perhaps you should try some spelling variations:
"lieu cao sinh snippets" » "lieu cho sinh snippets", "lieu cao minh snippets", "lieu bao sinh snippets", "lieu dao sinh snippets", "lieu co sinh snippets", "lieu cao sinh 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 ("lieu cao sinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("lieu cao sinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( lieu cao sinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("lieu cao sinh snippets"))) or ("locating bug code snippets"))*.