Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao ha do snippets" » "khat ha do snippets", "khao sat do snippets", "khac hau do snippets", "khao hat do snippets", "khao va do snippets", "khao xa do 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 ha do 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 ha do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao ha do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao ha do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.