Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat dao ve snippets" » "hat dao ve snippets", "nhat giao ve snippets", "nhat danh ve snippets", "nhat bao ve snippets", "nhat dap ve snippets", "nhat dau ve 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: (((("nhat dao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat dao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat dao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat dao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.