Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi cua long snippets" » "hoi cua cong snippets", "hoi cuu long snippets", "hoi cua dong snippets", "hoi chuc long 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 long 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 long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi cua long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cua long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.