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