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