Perhaps you should try some spelling variations:
trinh khung » trinh nhung, trinh phuong, trinh dung
thong cong » trong cong, tong cong, thong thong
khung cua » chung cua, khung luan, chung cu
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 tinh - trinh khung cua thong cong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - trinh khung cua thong cong dan van ban*.