Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nau tong cuc snippets" » "nau cong cuc snippets", "sau thong cuc snippets", "dau trong cuc snippets", "nau trong cuoc snippets", "nau thong cua snippets", "nau cong chuc 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: (((("nau tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nau tong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nau tong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nau tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.