Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang dam cu snippets" » "chang ham cu snippets", "hang dam cu snippets", "hang dau cu snippets", "chang dam cua snippets", "chang dan cu snippets", "chang da cu 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: (((("chang dam cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang dam cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang dam cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang dam cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.