Perhaps you should try some spelling variations:
"huong trinh vi snippets" » "chuong trinh vi snippets", "phuong trinh vi snippets", "cong trinh vi snippets", "huong trinh va snippets", "huong trinh ve snippets", "huong trinh viet snippets", "huong trinh vi slippers"
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("using java code snippets") or ("huong trinh vi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("huong trinh vi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( huong trinh vi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("huong trinh vi snippets"))) or ("locating bug code snippets"))*.