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