Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao su hoat snippets" » "dao su hoan snippets", "dao su hoa snippets", "dao vu hoat snippets", "dao suu hoat snippets", "dan su hoat snippets", "cao su hoat 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: (((("dao su hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao su hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao su hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao su hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.