Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung tham de snippets" » "cung than de snippets", "cung thang de snippets", "luong tham de snippets", "cung tham do snippets", "cung tham du snippets", "cung thai den 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: (((("cung tham de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung tham de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung tham de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung tham de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.