Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"song dan thi snippets" » "song danh thi snippets", "song van thi snippets", "song da thi snippets", "song dang thi snippets", "song tran thi snippets", "song dinh thi snippets", "song dan 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: (((("song dan 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: (((("song dan thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song dan thi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song dan thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.