Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » thong cong, hang cong, nhung don
tieu hanh » dieu hanh, tiem hanh, tien hanh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu hanh - hanh trung cua ((nhung cong) or (dung cong)) dan ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - hanh trung cua ((nhung cong) OR (dung cong)) dan ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu hanh - hanh trung cua ((nhung cong) or (dung cong)) dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - hanh trung cua ((nhung cong) or (dung cong)) dan ((than cau) OR (than cap))*.