Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
trien kinh » tri kinh, trinh kinh, trien dich
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, 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 ((trien kinh) or (trieu tinh)) - hanh tang cua ((nhung cong) OR (thong cong)) san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trien kinh) OR (trieu tinh)) - hanh tang cua ((nhung cong) OR (thong cong)) san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trien kinh) or (trieu tinh)) - hanh tang cua ((nhung cong) OR (thong cong)) san than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((trien kinh) or (trieu tinh)) - hanh tang cua ((nhung cong) OR (thong cong)) san than cau*.