Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"liu ming ma snippets" » "liu ying ma snippets", "liu jin ma snippets", "liu yang ma snippets", "liu jing ma snippets", "liu mang may snippets", "liu mang mam snippets", "liu ming ma slippers"

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: (((("liu ming ma snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("liu ming ma snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( liu ming ma snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("liu ming ma snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.