Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua moi mon snippets" » "cua mot mon snippets", "cua hoi mon snippets", "cua loi mon snippets", "cua mai mon snippets", "cua moi con 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: (((("cua moi mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua moi mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua moi mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua moi mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.