Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang duoc co snippets" » "dang duoc code snippets", "dang quoc co snippets", "dang duc co snippets", "dong duoc co snippets", "dang duoc hoc snippets", "dang duong co snippets", "dang duoc hoi 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: (((("dang duoc co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang duoc co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang duoc co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang duoc co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.