Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"web tong thi snippets" » "web song thi snippets", "web huong thi snippets", "web bang thi snippets", "web trong thi snippets", "web tang thi snippets", "web dong thi snippets", "web tong thi slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("web tong 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: (((("web tong thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web tong thi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web tong thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.