Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngo doc cuoc snippets" » "ngo doi cuoc snippets", "ngo dao cuoc snippets", "ngon doc cuoc snippets", "ngo duc cuoc snippets", "ngo dac cuoc 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: (((("ngo doc cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngo doc cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngo doc cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngo doc cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.