Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach dat don snippets" » "sach dat code snippets", "sach dao don snippets", "sach danh don snippets", "sach bai don snippets", "sach dat doc snippets", "sach bat dong snippets", "sach dat duoc 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 dat don 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 dat don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sach dat don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach dat don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.