Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vay cong cau snippets" » "va cong cau snippets", "van cong cau snippets", "cay cong cau snippets", "vay cong cu snippets", "vay cong chuc snippets", "vay thong cau 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: (((("vay cong 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: (((("vay cong cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vay cong cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vay cong cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.