Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong su de snippets" » "thong tu de snippets", "thong cua de snippets", "thong qua de snippets", "thong sau de snippets", "thong shu de snippets", "thong su det 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: (((("thong su 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: (((("thong su de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong su de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong su de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.