Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
hien hanh » dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
hung cong » nhung cong, hung cuong, phung cong
dung cong » dung trong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 thanh) OR (hien hanh)) - hanh tang luan ((hung cong) or (dung cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hien hanh)) - hanh tang luan ((hung cong) OR (dung cong)) dan than cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien thanh) OR (hien hanh)) - hanh tang luan ((hung cong) or (dung cong)) dan than cao*".