Perhaps you should try some spelling variations:
tiep danh » tieu danh, thien danh, tiep can
thien anh » thien danh, tien anh, thien thanh
cua trung » cua truong, xuan trung, cua nhung
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan cao » toan cao, juan cao, quang cao

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

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