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