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