Perhaps you should try some spelling variations:
trung thanh » truong thanh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
chi xanh » chi anh, chi danh, chi hanh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((trung cua) OR (trung thanh)) nhung cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((trung cua) OR (trung thanh)) nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((trung cua) OR (trung thanh)) nhung cong dan than cau*.