Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"sach de tin snippets" » "cach de tin snippets", "sach dao tin snippets", "sach dat tin snippets", "sach de tinh snippets", "sach le tin snippets", "sach de ton snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach de tin snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( sach de tin snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sach de tin snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.