Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua han tom snippets" » "cua nhan tom snippets", "cua hang tom snippets", "cua phan tom snippets", "cua han nom snippets", "cua phang tom 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: (((("cua han tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua han tom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua han tom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua han tom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.