Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri tich he snippets" » "tri tinh he snippets", "tri dich he snippets", "tram tich he snippets", "tri tich ho snippets", "tri trinh he snippets", "tri tich hop 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 tich he 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 tich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri tich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri tich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.