Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro cau de snippets" » "tao cau de snippets", "tra cau de snippets", "tro cap de snippets", "tro cau den snippets", "tro cau do snippets", "tro cuu de 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: (((("tro cau 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: (((("tro cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.