Perhaps you should try some spelling variations:
thanh trung » thanh tung
khai sang » kha nang, nha sang, thai bang
trung vap » trung cap, trung va, trung van
tong cong » trong cong, cong cong, dung cong
doi khai » doi khi, toi khai, doi khang
vap tong » va tong, cap tong, gap trong
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khai sang - thanh trung vap tong cong san tuan ban~.
• Adding a wildcard symbol may retrieve word variants: doi khai sang - thanh trung vap tong cong san tuan ban*.