Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tran xuan » tran quang, tran van
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh ((((trung tam) or (dung cua))) or (tran xuan)) nhung cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh ((((trung tam) OR (dung cua))) OR (tran xuan)) nhung cong van toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((((trung tam) or (dung cua))) or (tran xuan)) nhung cong van toan tap*.