Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong giam o snippets" » "duong giam o snippets", "dong giao o snippets", "dung giam o snippets", "dong gam o snippets", "dong giam doc snippets", "dong giam hom 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 ("dong giam o snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong giam o snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong giam o snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong giam o snippets"))) or ("locating bug code snippets"))*.