Perhaps you should try some spelling variations:
chung thanh » nhung thanh, chung than, hung thanh
cong chung » cong hung, cong thuong, cong cong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
manh tung » manh hung, thanh tung
tung quan » tuong quan, trung quan, dung quan
quan cong » qua cong, luan cong, quan dong
thanh van » thanh san, thanh toan, thanh phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc trieu) or (toc thieu)) tinh - manh tung quan cong chung thanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc trieu) OR (toc thieu)) tinh - manh tung quan cong chung thanh van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc trieu) or (toc thieu)) tinh - manh tung quan cong chung thanh van ban*.