Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich nhat de snippets" » "thich nhat de snippets", "lich nhat de snippets", "tich hat de snippets", "tich nhat ve snippets", "tich nhat le snippets", "tich chat deo 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 nhat 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 nhat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich nhat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.