Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"len dan thi snippets" » "le dan thi snippets", "lan dan thi snippets", "nen dan thi snippets", "len dang thi snippets", "len tran thi snippets", "len dinh thi snippets", "len dan 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.

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