Perhaps you should try some spelling variations:
thiet danh » thien danh, thien dang, tiep danh
thien anh » thien danh, tien anh, thien thanh
cua trong » cua truong, cua trung, qua trong
van quang » van quan, tran quang, van tuan
quang cao » nang cao, quang nam
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song 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 ((thiet danh) or (thien anh)) - anh dung cua trong cong van quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thiet danh) OR (thien anh)) - anh dung cua trong cong van quang cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thiet danh) or (thien anh)) - anh dung cua trong cong van quang cao*.