Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"trinh tren huu snippets" » "trinh truyen huu snippets", "trinh tuyen huu snippets", "trinh tieng huu snippets", "trinh tran huu snippets", "trinh tren thuc snippets", "trinh vien huu snippets", "trinh tren huu slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("trinh tren huu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh tren huu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh tren huu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh tren huu snippets"))) or ("locating bug code snippets"))*.