Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong hoi toi snippets" » "dong hoc toi snippets", "dong hoa toi snippets", "tong hop toi snippets", "dong hoi tai snippets", "dong hoi thi snippets", "dong hoi doi 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 hoi toi 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 hoi toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoi toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoi toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.