Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
thuong cong » thong cong, thuong con, thuong dong
thiet danh » thien danh, thien anh, thien dang
trung chap » trung cap, trung ha, tranh chap
hoc thiet » hoc thieu, hoc thuyet, hoc hien

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 - thanh trung chap thuong cong ((cao chat) or (dan gian)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - thanh trung chap thuong cong ((cao chat) OR (dan gian)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - thanh trung chap thuong cong ((cao chat) or (dan gian)) cau*.