Perhaps you should try some spelling variations:
"dong trinh java snippets" » "cong trinh java snippets", "dong tinh java snippets", "dong tranh java snippets"
"anh huong co snippets" » "anh huong cho snippets", "anh huong com snippets", "anh duong co snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("anh huong co snippets") or ("dong trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh huong co snippets") OR ("dong trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh huong co snippets ) or ( dong trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh huong co snippets") or ("dong trinh java snippets"))) or ("locating bug code snippets"))*.