Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao noi cham snippets" » "dao hoi cham snippets", "dao goi cham snippets", "dao nguoi cham snippets", "dau noi cham snippets", "dao voi cham snippets", "nao noi cham 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: (((("dao noi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao noi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao noi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao noi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.