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