Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
cong trong » cong thuong, duong trong, cong trinh
hanh tang » hanh trang, anh tang, hanh mang
trong van » trong cac
tien anh » tien manh, dien anh, tien thanh
tang cua » mang cua, hang cua, tang luan
ban cau » bang cau, ban can, van cau

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 (tien anh))) or (tieng anh)) - hanh tang cua cong trong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thien thanh) OR (tien anh))) OR (tieng anh)) - hanh tang cua cong trong van ban cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thien thanh) or (tien anh))) or (tieng anh)) - hanh tang cua cong trong van ban cau*.