Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung tin bo snippets" » "dung tin code snippets", "dong tin bo snippets", "luong tin bo snippets", "dung tren bo snippets", "dung tien bo snippets", "dung tin so snippets", "dung tin 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 tin bo 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 tin bo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung tin bo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tin bo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.