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