Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao li model snippets" » "dao hir model snippets", "dao sir model snippets", "dao a model snippets", "dao lai model snippets", "dao le model snippets", "dai li model 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 li model 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 li model snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao li model snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao li model snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.