Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc hoa cua snippets" » "luc hoc cua snippets", "duc hoa cua snippets", "luc ha cua snippets", "luc hoa chat snippets", "luc hoa xuat 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: (((("luc hoa 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: (((("luc hoa cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc hoa cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hoa cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.