Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chun cho du snippets" » "chung cho du snippets", "chan cho du snippets", "chun ho du snippets", "chun cho cu snippets", "chun cho tu snippets", "chun cho duoc 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: (((("chun cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chun cho du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chun cho du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.