Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoac co cua snippets" » "hoc co cua snippets", "hoa co cua snippets", "hoach do cua snippets", "hoac con cua snippets", "hoac ca cua snippets", "hoac cong cua 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: (((("hoac co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoac co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoac co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoac co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.