Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
trinh tuan » trinh quan, trinh toan, trinh xuan
trinh luan » trinh luat, trinh quan, trinh han
hieu lang » chieu sang, hieu quang, nhieu tang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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 lang - hanh ((trinh tuan) OR (trinh luan)) phuong cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh ((trinh tuan) OR (trinh luan)) phuong cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((trinh tuan) OR (trinh luan)) phuong cong manh toan ban*.