Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong ke do snippets" » "hong ke do snippets", "mang ke do snippets", "thong ke do snippets", "mong ke o snippets", "mong ke co snippets", "mong ke mo 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: (((("mong ke do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong ke do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong ke do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong ke do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.