Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lao dong he snippets" » "ha dong he snippets", "van dong he snippets", "lao dong che snippets", "lao dung he snippets", "lao dong ha 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 he 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 he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lao dong he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lao dong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.