Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quoc co snippets" » "dung quoc code snippets", "dang quoc co snippets", "dong quoc co snippets", "trung quoc co snippets", "dung quoc cao snippets", "dung quoc cho snippets", "dung duoc co 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 quoc 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: (((("dung quoc co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung quoc co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quoc co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.