Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho can chua snippets" » "cho ca chua snippets", "cho can chu snippets", "cho con chua snippets", "cho cac chua snippets", "cho phan chua snippets", "cho cong chua 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 can chua 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 can chua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho can chua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho can chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.