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