Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap cong du snippets" » "nhap cong code snippets", "phap cong du snippets", "phap chong du snippets", "phan cong du snippets", "nhap cong dau snippets", "nhap cong duc snippets", "nhap cong duy 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: (((("nhap cong du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap cong du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap cong du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cong du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.