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