Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc dieu
tran tuan » tran xuan, tran quang, tran thanh
cong danh » cuong danh, cong dan, cong thanh
danh van » doanh van, dang van, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) xanh - thanh ((trung tuan) OR (tran tuan)) nhung cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - thanh ((trung tuan) OR (tran tuan)) nhung cong danh van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) xanh - thanh ((trung tuan) OR (tran tuan)) nhung cong danh van ban*".