Perhaps you should try some spelling variations:
"van che thuoc snippets" » "van nha thuoc snippets", "van cay thuoc snippets", "van cua thuoc snippets", "han che thuoc snippets", "van chi thuoc snippets", "van cho thuoc snippets", "van che thuoc 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 ("van che thuoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("van che thuoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( van che thuoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("van che thuoc snippets"))) or ("locating bug code snippets"))*.