Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau dan cu snippets" » "khau luan cu snippets", "khao danh cu snippets", "nhan dan cu snippets", "khau dan cua snippets", "khau dan ca snippets", "khau dan su 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: (((("khau dan 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: (((("khau dan cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau dan cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau dan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.