Perhaps you should try some spelling variations:
thanh tung » thanh cong
theo chu » theo chieu, cho chu, chao chu
doc hieu » toc thieu, hoc thieu, hoc hien
tung cua » trung cua, tuong cua, dung cua
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van
tuan thu » toan thuc, van thu
quan cua » quan luan, ban cua, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (doc hieu)) xanh - thanh tung cua ban cong van ((tuan thu) or (quan cua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (doc hieu)) xanh - thanh tung cua ban cong van ((tuan thu) OR (quan cua)).
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (doc hieu)) xanh - thanh tung cua ban cong van ((tuan thu) or (quan cua))*.