Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huong doi co snippets" » "huong dan co snippets", "trong doi co snippets", "dung doi co snippets", "huong doi bo snippets", "huong moi co snippets", "huong hoi co 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: (((("huong doi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong doi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong doi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong doi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.