Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cap du snippets" » "sach dao du snippets", "sach bai du snippets", "sach xa du snippets", "sach cac du snippets", "sach cap do snippets", "sach lap 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 cap 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 cap du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cap du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cap du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.