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