Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lau cong cua snippets" » "cau cong cua snippets", "lap cong cua snippets", "lau mong cua snippets", "lau cong cu snippets", "lau dong cua snippets", "lau huong 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: (((("lau cong 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: (((("lau cong cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lau cong cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lau cong cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.