Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
doi trieu » dong trieu, doi chieu, doi trinh
trang cua » tranh cua, tang cua, trung cua
cong van » cong vang, cong san, song van
ban can » ban dan, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi trieu tinh - hanh ((trang cua) or (trung tuan)) nhung cong van ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trieu tinh - hanh ((trang cua) OR (trung tuan)) nhung cong van ban can.
• Adding a wildcard symbol may retrieve word variants: doi trieu tinh - hanh ((trang cua) or (trung tuan)) nhung cong van ban can*.