Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien can mo snippets" » "vien canh mo snippets", "vien cac mo snippets", "vien cao mo snippets", "vien can moi snippets", "vien can bo snippets", "vien can ho 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: (((("vien can mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien can mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien can mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien can mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.