Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"com quoc anh snippets" » "cua quoc anh snippets", "hoc quoc anh snippets", "hop quoc anh snippets", "com quoc danh snippets", "com quoc hanh snippets", "com nuoc anh snippets", "com quoc anh 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: (((("com quoc anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com quoc anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( com quoc anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com quoc anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.