Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ro hon cao snippets" » "ro hoc cao snippets", "ro hoang cao snippets", "ro thong cao snippets", "ro han cao snippets", "bo hon cao 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: (((("ro hon cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ro hon cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ro hon cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ro hon cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.