Perhaps you should try some spelling variations:
"ban kham phap snippets" » "ban kham pha snippets", "ban pham phap snippets", "ban khau nhap snippets", "ban ham phap snippets", "nhan kham phap snippets", "lang kham phap snippets", "ban kham phap 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: (((("ban kham phap snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban kham phap snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban kham phap snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban kham phap snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.