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