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