Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muong du ca snippets" » "luong du ca snippets", "mong du ca snippets", "muong dieu ca snippets", "muong du va snippets", "muong du ha 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: (((("muong du ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muong du ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muong du ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muong du ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.