Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi thoai ve snippets" » "hoi thoai ve snippets", "doi thoi ve snippets", "doi ngoai ve snippets", "doi hoai ve snippets", "doi thoai me snippets", "doi thoai viet 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 thoai ve 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 thoai ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi thoai ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi thoai ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.