Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
hien hanh » dieu hanh
hanh hang » thanh hang, hang hang, hanh han
hang chua » hang cua, zhang chuan, phong chua
chua nang » chuc nang, chua xang, kha nang
dan thanh » dang thanh, danh thanh, ban thanh
song dan » song danh, song van, cong dan

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 hanh - hanh hang chua nang song dan thanh chau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh hang chua nang song dan thanh chau*.