Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh hang » thanh hang, hang hang, hanh han
chua nang » chuc nang, chua xang, kha nang
thuc nang » chuc nang, thuc trang, thich nang
cong dang » cong dong, cong dan, cong dung
dang hanh » dang thanh, ban hanh, dang van
hanh san » thanh san, khach san, thanh son

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 - hanh hang ((chua nang) or (thuc nang)) cong dang hanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh hang ((chua nang) OR (thuc nang)) cong dang hanh san.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh hang ((chua nang) or (thuc nang)) cong dang hanh san*.