Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con dung cu snippets" » "con duong cu snippets", "cong dung cu snippets", "con rung cu snippets", "con dung cua snippets", "con dung co snippets", "con dung cho 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 dung cu 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 dung cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con dung cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con dung cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.