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