Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cac lon snippets" » "dung cac code snippets", "luong cac lon snippets", "dung cho lon snippets", "dung tai lon snippets", "dung cac mon snippets", "dung cac lop snippets", "dung cac don 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 cac lon 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 cac lon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung cac lon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac lon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.