Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
mot chieu » doi chieu, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong ty
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu tinh - hanh manh cua cong ((cong tan) OR (cong thanh)) ((tran ban) OR (tran van))~.
• Adding a wildcard symbol may retrieve word variants: mot chieu tinh - hanh manh cua cong ((cong tan) or (cong thanh)) ((tran ban) or (tran van))*.