Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"com mang cua snippets" » "cay mang cua snippets", "cho mang cua snippets", "do mang cua snippets", "com manh cua snippets", "com dung cua snippets", "com ban cua 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: (((("com mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com mang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( com mang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.