Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc nam cao snippets" » "cuc nam cao snippets", "chuc nang cao snippets", "chung nam cao snippets", "chuc nam sao snippets", "chuc nam giao 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: (((("chuc nam 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: (((("chuc nam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc nam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.