Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay lang son snippets" » "cay lanh son snippets", "cac lang son snippets", "cay mang son snippets", "cay nang song snippets", "cay bang song snippets", "cay anh son 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: (((("cay lang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay lang son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay lang son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay lang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.