Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu duoc he snippets" » "cuu dac he snippets", "che duoc he snippets", "co duoc he snippets", "cuu duoc ha snippets", "cuu duoc hoc snippets", "cuu duoc hoi 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: (((("cuu duoc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu duoc he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu duoc he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu duoc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.