Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trich le cau snippets" » "trinh le cau snippets", "tich le cau snippets", "trich ly cau snippets", "trich ke cau snippets", "trich le mau snippets", "trich le cap 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: (((("trich le cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trich le cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trich le cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trich le cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.