Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach cua cau snippets" » "sach cua code snippets", "cach cua cau snippets", "mach cua cau snippets", "sac cua cau snippets", "sach chua cau snippets", "sach cua cac snippets", "sach 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: (((("sach 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: (((("sach cua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach cua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.