Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"muc cao minh snippets" » "muc chi minh snippets", "muc van minh snippets", "luc cao minh snippets", "muc cac minh snippets", "mach cao minh snippets", "muc cao minh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("muc cao minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muc cao minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc cao minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc cao minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.