Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hieu nganh » vien nganh, hiem ngan, hieu manh
tuong cua » truong cua, huong cua, thong cua
doc hieu » toc thieu, hoc thieu, hoc hien
tung cua » trung cua, dung cua, tang cua
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - thanh ((tung cua) OR (tuong cua)) thuong cong dan ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - thanh ((tung cua) OR (tuong cua)) thuong cong dan ((than cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - thanh ((tung cua) OR (tuong cua)) thuong cong dan ((than cau) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - thanh ((tung cua) OR (tuong cua)) thuong cong dan ((than cau) or (phan cac))*.