Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu nhap co snippets" » "lieu phap co snippets", "lieu nha co snippets", "lieu tham co snippets", "lieu nhap ca snippets", "lieu nhan co 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: (((("lieu nhap co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu nhap co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu nhap co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu nhap co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.