Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tung tuan » hung tuan, quang tuan, trang tuan
dang cong » dung cong
cong vang » cong lang, cong quang, cong ngang
vang than » sang than, van than, cang thang
thi hanh » thi thanh
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 ((tung tuan) OR (trung tuan)) dang cong vang than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi thi hanh - thanh ((tung tuan) OR (trung tuan)) dang cong vang than cau*".