Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong tu doi snippets" » "dong tu doi snippets", "mon tu doi snippets", "cong tu doi snippets", "mong tu do snippets", "mong te doi snippets", "mong tu di 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 tu doi 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 tu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong tu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong tu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.