Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach tay du snippets" » "xach tay du snippets", "sach hay du snippets", "sach nay du snippets", "sach day du snippets", "sach tay tu snippets", "sach tai du snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 tay du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach tay du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach tay du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach tay du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.