Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thien chanh » thien chinh, hien hanh, tien thanh
thiet danh » thien danh, thien anh, thien dang
cua trong » cua truong, cua trung, qua trong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
ban cao » bao cao, ban can, ban co

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

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