Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tao dong snippets" » "doi lao dong snippets", "doi dao dong snippets", "doi cao dong snippets", "doi tac dong snippets", "doi tai dong snippets", "doi tan dong 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: (((("doi tao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.