Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach tao cau snippets" » "sach tao code snippets", "sach dao cau snippets", "sach bao cau snippets", "sach tai cau snippets", "sach tao cu snippets", "sach tao cao snippets", "sach tao sau 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 tao 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 tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.