Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao co hoi snippets" » "khac co hoi snippets", "khao cuu hoi snippets", "khao noi hoi snippets", "khao co hoc snippets", "khao co loi 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 co hoi 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 co hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao co hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao co hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.