Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh cho da snippets" » "trinh cho code snippets", "trinh chao da snippets", "trinh co da snippets", "trinh chat da snippets", "trinh cho dao snippets", "trinh cho dap snippets", "trinh cho dai 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: (((("trinh cho da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cho da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh cho da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cho da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.