Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau bat cu snippets" » "cau hat cu snippets", "cau bao cu snippets", "chau bac cu snippets", "cau bat cua snippets", "cau bat hu snippets", "cau bat tu 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: (((("cau bat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau bat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau bat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau bat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.