Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu duoc con snippets" » "cuu dac con snippets", "che duoc con snippets", "co duoc con snippets", "cuu duoc co snippets", "cuu duc con snippets", "cuu nuoc cong 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 con 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 con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu duoc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu duoc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.