Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nganh » vien nganh, hien nhanh, hieu nganh
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, 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: hoc hien nganh - thanh trung cua tong cong dan ((than cau) or (((phan cau) OR (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nganh - thanh trung cua tong cong dan ((than cau) OR (((phan cau) OR (phan tu)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nganh - thanh trung cua tong cong dan ((than cau) or (((phan cau) OR (phan tu))))".
• Adding a wildcard symbol may retrieve word variants: hoc hien nganh - thanh trung cua tong cong dan ((than cau) or (((phan cau) OR (phan tu))))*.