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