Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dac nhan can snippets" » "dac nhan code snippets", "cac nhan can snippets", "danh nhan can snippets", "ca nhan can snippets", "dac nhan chan snippets", "dac nhan dan snippets", "dac nhan van 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: (((("dac nhan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac nhan can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dac nhan can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac nhan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.