Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doanh cao da snippets" » "doanh cao code snippets", "doanh co da snippets", "doanh bao da snippets", "doanh cho da snippets", "doanh cao dam snippets", "doanh cao dao snippets", "doanh cao 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: (((("doanh cao 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: (((("doanh cao da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doanh cao da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh cao da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.