Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
hanh luan » khanh luan, hang luan, hanh luat
van phung » van phong, van hung, van chuong
cong cong » cong dong, trong cong, dung cong
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chu)) sang - hanh luan van phung cong cong ((thanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chu)) sang - hanh luan van phung cong cong ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chu)) sang - hanh luan van phung cong cong ((thanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) sang - hanh luan van phung cong cong ((thanh cau) OR (nhanh cau))*.