Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan dan bot snippets" » "nhan dan code snippets", "phan dau bot snippets", "gian dan bot snippets", "nhan tai bot snippets", "nhan dang bot snippets", "nhan dan bon snippets", "nhan dan hoat 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: (((("nhan dan bot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan dan bot snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan dan bot snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dan bot snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.