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