Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
trung cua » truong cua, trung tuan, trung cap
chi xanh » chi anh, chi danh, chi hanh
tac toan » tap toan, tam toan, hach toan
tap doan » tap quan
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 ((thang cua) or (trung cua)) nhung cong ((tac toan) or (tap doan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((thang cua) OR (trung cua)) nhung cong ((tac toan) OR (tap doan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((thang cua) or (trung cua)) nhung cong ((tac toan) or (tap doan)) cau*.