Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau giang le snippets" » "ha giang le snippets", "phap giang le snippets", "bai giang le snippets", "hau gian le snippets", "hau giang ve snippets", "hau giang lam 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: (((("python using java snippets") or ("hau giang le snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hau giang le snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hau giang le snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hau giang le snippets"))) or ("locating bug code snippets"))*.