Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham lao do snippets" » "chai lao do snippets", "cham lai do snippets", "cham vao do snippets", "cham lao o snippets", "cham dao do snippets", "cham cao do 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: (((("cham lao 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: (((("cham lao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham lao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham lao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.