Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach nam hon snippets" » "cach lam hon snippets", "cach nao hon snippets", "cach noi hon snippets", "cach nam chon snippets", "cach tam hon snippets", "cach nam hoi 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: (((("cach nam hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach nam hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach nam hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach nam hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.