Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay hong so snippets" » "cay cong so snippets", "cay hung so snippets", "cay trong so snippets", "cay phong so snippets", "cay hong son snippets", "cay thong so 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 hong so 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 hong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay hong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay hong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.