Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cau ve snippets" » "dung cau code snippets", "dung chau ve snippets", "dung cu ve snippets", "dung cac ve snippets", "dung dau ve snippets", "dung cuu ve snippets", "dung ca ve 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: (((("dung cau ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cau ve snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cau ve snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cau ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.