Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong dien da snippets" » "dong dien code snippets", "luong dien da snippets", "thong dien da snippets", "dong tin da snippets", "dong dien dan snippets", "dong vien da snippets", "dong dien va 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: (((("dong dien da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dien da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong dien da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dien da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.