Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, chieu xanh, hien khanh
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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) or (hien nhanh)) - hanh ((trang cua) or (tranh cua)) nhung cong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - hanh ((trang cua) OR (tranh cua)) nhung cong van tan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - hanh ((trang cua) or (tranh cua)) nhung cong van tan ban*.