Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc nhan vo snippets" » "thuoc nhan vo snippets", "thu nhan vo snippets", "thuc chan vo snippets", "thuc nhan va snippets", "thuc nhan mo snippets", "thuc than vo snippets"
"locating bug code snippets" » "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 nhan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc nhan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc nhan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc nhan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.