Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan thuc do snippets" » "doan thuc code snippets", "doanh thuc do snippets", "dan thuc do snippets", "toan thuc do snippets", "doan thuc doi snippets", "doan thuoc do snippets", "doan thuc co 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 thuc do 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 thuc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan thuc do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan thuc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.