Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ton cac chi snippets" » "trong cac chi snippets", "thong cac chi snippets", "tong cuc chi snippets", "ton ca chi snippets", "ton cac che snippets", "ton cac thi 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 chi 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 chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ton cac chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ton cac chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.