Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat dan soc snippets" » "nhat dan code snippets", "nhat danh soc snippets", "nhat ban soc snippets", "nhan dan soc snippets", "nhat dan toc snippets", "nhat dan hoc snippets", "nhat dan so 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: (((("nhat dan soc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat dan soc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat dan soc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat dan soc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.