Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua phan hoi snippets" » "cua nhan hoi snippets", "cua phap hoi snippets", "cua han hoi snippets", "cua phan phoi snippets", "cua phan thoi snippets", "cua phan hoa 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 phan 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 phan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua phan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.