Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan cua do snippets" » "nhan cua code snippets", "nhat cua do snippets", "nhan luc do snippets", "nhan su do snippets", "nhan cua dao snippets", "nhan cua bo snippets", "nhan cua 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: (((("python using java snippets") or ("nhan cua 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 ("nhan cua do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhan cua do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhan cua do snippets"))) or ("locating bug core snippets"))*.