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