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