Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"li tian hoi snippets" » "li gian hoi snippets", "li tan hoi snippets", "li tin hoi snippets", "li qian hoi snippets", "loi tien hoi 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: (((("li tian 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: (((("li tian hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( li tian hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("li tian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.