Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc viet cau snippets" » "toc viet code snippets", "hoc viet cau snippets", "thuc viet cau snippets", "ngoc viet cau snippets", "toc viet chau snippets", "toc viet ca snippets", "toc viet chu snippets"
"python using java snippets" » "python using data 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 ("toc viet cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toc viet cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc viet cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc viet cau snippets"))) or ("locating bug core snippets"))*.