Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho dan cach snippets" » "cho dan cac snippets", "cho dan canh snippets", "cho nhan cach snippets", "choi dan cach snippets", "cho dao cach snippets", "co dan cach 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 dan cach 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 dan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho dan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.