Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
trinh quan » tinh quang, trinh luat, trinh han
hieu nganh » vien nganh, hiem ngan, hieu manh
cua tinh » cua sinh, va tinh, ha tinh
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu nganh) or (cua tinh)) - hanh ((tinh cua) or (trinh quan)) thuong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu nganh) OR (cua tinh)) - hanh ((tinh cua) OR (trinh quan)) thuong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu nganh) or (cua tinh)) - hanh ((tinh cua) or (trinh quan)) thuong cong tan than cau*.