Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu con coi snippets" » "khu cong coi snippets", "khi con coi snippets", "khau cong coi snippets", "khu con chi snippets", "khu con co snippets", "khu con chim 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: (((("khu con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu con coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu con coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.