Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich danh de snippets" » "lich danh de snippets", "tich dinh de snippets", "tich nganh de snippets", "tich hanh de snippets", "tich dan de snippets", "tich dang de 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: (((("tich danh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich danh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich danh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich danh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.