Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu dao voi snippets" » "cuu dac voi snippets", "cuu da voi snippets", "cuu duoc voi snippets", "cuu dao noi snippets", "cuu do voi 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 dao voi 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 dao voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu dao voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu dao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.