Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mang cho hon snippets" » "sang cho hon snippets", "hang cho hon snippets", "tang cho hon snippets", "mang cho hoc snippets", "mang cho lon snippets", "mang cao hon 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: (((("mang cho hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mang cho hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mang cho hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mang cho hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.