Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap van den snippets" » "nhap van code snippets", "nha van den snippets", "nhan van den snippets", "phap van den snippets", "nhap van de snippets", "nhap van der snippets", "nhap ban den 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 van den 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 van den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap van den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap van den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.