Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muong du co snippets" » "luong du co snippets", "mong du co snippets", "muong dieu co snippets", "muong dau co snippets", "muong deu co snippets", "muong du con 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 co 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 co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muong du co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muong du co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.