Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hoang manh » hoang minh, hoang anh, hoang xanh
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan hanh » dang hanh, dan khanh, dan thanh
cua dan » cua dang, cua ban, ca dan
hanh tu » anh tu, danh tu

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 nhanh - hoang manh ((((cua dan) or (cua cong))) or (cua nhung)) cong dan hanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hoang manh ((((cua dan) OR (cua cong))) OR (cua nhung)) cong dan hanh tu.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hoang manh ((((cua dan) or (cua cong))) or (cua nhung)) cong dan hanh tu*.