Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"truong va lu snippets" » "truong dai lu snippets", "truong cao lu snippets", "truong dao lu snippets", "truong va su snippets", "truong va tu snippets", "truong va le snippets", "truong va lu 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: (((("python using java snippets") or ("truong va lu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("truong va lu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( truong va lu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("truong va lu snippets"))) or ("locating bug code snippets"))*.