Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach cao hon snippets" » "sach cao code snippets", "sach dao hon snippets", "sach cap hon snippets", "mach cao hon snippets", "sach cao son snippets", "sach cao hoc snippets", "sach ca hon 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: (((("sach cao hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach cao hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach cao hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cao hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.