Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hop cua snippets" » "tong hop cua snippets", "cong hoa cua snippets", "cong ho cua snippets", "cong hoc cua snippets", "cong hoi cua 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: (((("cong hop cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hop cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hop cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hop cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.