Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu tuu cham snippets" » "huu tu cham snippets", "huu tuc cham snippets", "huu toc cham snippets", "huu thu cham snippets", "huu tung cham snippets", "huu tuan 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: (((("huu tuu 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: (((("huu tuu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu tuu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu tuu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.