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