Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
chi xanh » chi anh, chi danh, chi hanh
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
doi chi » doi khi
chan tu » phan tu, han tu, chon tu

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 cap)) nhung cong dan chan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh ((trung cua) OR (trung cap)) nhung cong dan chan tu*".