Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vong mau do snippets" » "dong mau do snippets", "trong mau do snippets", "von dau do snippets", "vong cau do snippets", "vong dau do snippets", "vong mau co 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: (((("vong mau 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: (((("vong mau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vong mau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vong mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.