Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chi thanh » chi nhanh, thi thanh, cho thanh
trinh cau » trinh chat, trinh chao, trinh tu
chi tach » chiu trach, chiet tach, che tac
trinh ca » trinh cua, trinh cac, trinh cam
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi tach) or (chi thanh)) - hanh ((trinh ca) or (trinh cau)) thong cong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi tach) OR (chi thanh)) - hanh ((trinh ca) OR (trinh cau)) thong cong dan phan cac.
• Adding a wildcard symbol may retrieve word variants: doi ((chi tach) or (chi thanh)) - hanh ((trinh ca) or (trinh cau)) thong cong dan phan cac*.