Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tao cay snippets" » "chon tao cay snippets", "che tao cay snippets", "cho dao cay snippets", "cho tao cao snippets", "cho tao may snippets", "cho tao cac 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: (((("cho tao cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho tao cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tao cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tao cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.