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