Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
khia canh » kho canh, thi canh
trung cua » truong cua, trung cap, dung cua
dang cong » dung cong
doi khia » doi khi, noi khoa, hoi khoa
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khia canh - hanh ((trung cua) OR (trung tuan)) dang cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khia canh - hanh ((trung cua) OR (trung tuan)) dang cong tac toan ban*".