Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
tranh cua » doanh cua, manh cua
chi xanh » chi anh, chi danh, chi hanh
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
doi chi » doi khi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((trung cua) OR (tranh cua)) thong cong tac ((toan cau) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((trung cua) or (tranh cua)) thong cong tac ((toan cau) or (toan cao))*.