Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang so cau snippets" » "lang son cau snippets", "lang o cau snippets", "lang co cau snippets", "lang so cap snippets", "lang bo cau 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: (((("lang so cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang so cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang so cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang so cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.