Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao li cac snippets" » "hao lei cac snippets", "hao le cac snippets", "dao li cac snippets", "hao li ca snippets", "hao ly cac snippets", "hao loi cach 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: (((("hao li cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao li cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao li cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao li cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.