Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"may cong li snippets" » "cay cong li snippets", "cac cong li snippets", "cao cong li snippets", "may cong ti snippets", "may hong li snippets", "may cong hai snippets", "may cong li slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("may cong li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may cong li snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may cong li snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may cong li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.