Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan thi ca snippets" » "doan thi code snippets", "dan thi ca snippets", "doanh tai ca snippets", "hoang thi ca snippets", "doan thi cam snippets", "doan thi cua snippets", "doan thi cai 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: (((("doan thi ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan thi ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan thi ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan thi ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.