Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap dong do snippets" » "nhap dong code snippets", "nhap cong do snippets", "nha dong do snippets", "nhan dong do snippets", "nhap dong dao snippets", "nhap dong co snippets", "nhap dang do 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 dong do 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 dong do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap dong do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap dong do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.