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