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