Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc khoi du snippets" » "buoc khoi du snippets", "cuoc doi du snippets", "quoc hoi du snippets", "cuoc khoi dau snippets", "cuoc khoi su snippets", "cuoc khoi de 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: (((("cuoc khoi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc khoi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc khoi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc khoi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.