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