Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"que tong cuc snippets" » "que huong cuc snippets", "hue trong cuc snippets", "cuu tong cuc snippets", "que trong cuoc snippets", "que thong cua snippets", "que 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: (((("que 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: (((("que tong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( que tong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("que tong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.