Perhaps you should try some spelling variations:
thien chanh » thien chinh, hien hanh, tien thanh
thien thanh » tien thanh, thi thanh, hien hanh
nhung trong » hung trong, nhung tuong, thuong trong
trong tang » trong trang, trong tan, trong dang
quang cua » quan cua, quang tuan, quang huy
cua nhung » va nhung
tang van » dang van, hoang van, trong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien chanh) or (thien thanh)) - nhanh quang cua nhung trong tang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien chanh) OR (thien thanh)) - nhanh quang cua nhung trong tang van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien chanh) or (thien thanh)) - nhanh quang cua nhung trong tang van ban*.