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