Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay van cau snippets" » "cac van cau snippets", "cao van cau snippets", "can van cau snippets", "cay van dau snippets", "cay van hau snippets", "cay van chat 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: (((("cay van 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: (((("cay van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.