Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
trinh cau » trinh chat, trinh chao, trinh han
chi tach » chiu trach, chiet tach, chi thanh
trinh ca » trinh cua, trinh cac, trinh cam
trinh tu » trinh ky, trinh do
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau
doi chi » doi khi

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 - hanh ((trinh ca) or (((trinh cau) OR (trinh tu)))) thuong cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tach - hanh ((trinh ca) OR (((trinh cau) OR (trinh tu)))) thuong cong dan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi tach - hanh ((trinh ca) or (((trinh cau) OR (trinh tu)))) thuong cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: doi chi tach - hanh ((trinh ca) or (((trinh cau) OR (trinh tu)))) thuong cong dan phan dau*.