Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
doc hieu » toc thieu, hoc thieu
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: ((doc hieu) or (hoc hien)) xanh - hanh ((trung cua) or (trung tuan)) nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - hanh ((trung cua) OR (trung tuan)) nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) xanh - hanh ((trung cua) or (trung tuan)) nhung cong tac toan ban*.