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