Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham nhin so snippets" » "cam nhan so snippets", "cai nhin so snippets", "nam nhin so snippets", "cham khien so snippets", "cham nhin moi 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: (((("python using java snippets") or ("cham nhin so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cham nhin so snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cham nhin so snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cham nhin so snippets"))) or ("locating bug code snippets"))*.