Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap khoi cua snippets" » "cac khoi cua snippets", "cap phoi cua snippets", "cap cho cua snippets", "cap hoi cua snippets", "cap khi cua snippets", "cap kho 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: (((("cap khoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap khoi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap khoi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap khoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.