Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
van duong » van dong, van dung, van phong
cong danh » cuong danh, cong dan, cong thanh
danh phap » dinh phap, ban phap, danh nhan
va duong » va tuong, va huong, va dong
phap dau » phan dau, phap day, pham dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh ((va duong) or (van duong)) cong danh phap dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh ((va duong) OR (van duong)) cong danh phap dau*.