Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
bang cong » dang cong, bang song, hang cong
thi hanh » thi thanh
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
doi thi » doi thoi, do thi, doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi hanh - thanh trung tuan ((nhung cong) or (bang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hanh - thanh trung tuan ((nhung cong) OR (bang cong)) dan than cau*.