Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sac hanh cad snippets" » "sach danh cad snippets", "bac thanh cad snippets", "cac thanh cad snippets", "sac hanh cac snippets", "sac hanh cat snippets", "sac hanh cap 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: (((("sac hanh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sac hanh cad snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sac hanh cad snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sac hanh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.