Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tuong cua » truong cua, huong cua, thong cua
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, dung cua, tang cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
doi chi » doi khi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) OR (ho chieu)) xanh - thanh ((tung cua) OR (tuong cua)) nhung cong tan toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) OR (ho chieu)) xanh - thanh ((tung cua) OR (tuong cua)) nhung cong tan toan tap*.