Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mach cua cau snippets" » "mach cua code snippets", "manh cua cau snippets", "cach cua cau snippets", "sach cua cau snippets", "mach chua cau snippets", "mach cua cac snippets", "mach cua chu 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: (((("mach cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mach cua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mach cua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.