Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc dong he snippets" » "cuoc song he snippets", "duoc dong he snippets", "cuoc tong he snippets", "cuoc dong che snippets", "cuoc dung he snippets", "cuoc dong ha 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: (((("cuoc dong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc dong he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc dong he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc dong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.