Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap cua toi snippets" » "nhap cua code snippets", "nhat cua toi snippets", "nhan cua toi snippets", "nhap ca toi snippets", "nhap cua hoi snippets", "nhap cua moi snippets", "nhap cua loai 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 cua toi 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 cua toi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap cua toi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cua toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.