Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tich da snippets" » "hoc lich da snippets", "ho tich da snippets", "hoc dich da snippets", "hoc tich dau snippets", "hoc tich va snippets", "hoc tich du 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: (((("hoc tich da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc tich da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tich da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tich da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.