Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tra cuu snippets" » "cho tre cuu snippets", "cho toa cuu snippets", "cho sara cuu snippets", "cho tra cau snippets", "cho trau cua snippets", "cho trua 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: (((("cho tra cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho tra cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tra cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tra cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.