Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ky hoi snippets" » "cuong ky hoi snippets", "cong ty hoi snippets", "hong ky hoi snippets", "cong ky doi snippets", "cong ky hoa snippets", "cong ky hop 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: (((("cong ky 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: (((("cong ky hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ky hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ky hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.