Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat hoc cau snippets" » "vat hoc cau snippets", "sat hoi cau snippets", "sat thuc cau snippets", "sat hoc cao snippets", "sat hoc cac snippets", "sat hoc can 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: (((("sat hoc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sat hoc cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat hoc cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat hoc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.