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