Perhaps you should try some spelling variations:
phuong cong » phuong dong, phung cong, phuong hoang
phong cong » phong chong, thong cong, chong cong
thanh toan » thanh hoa, thanh san, tinh toan
tieu sach » chieu sach, dien sach, te sach
trung cua » truong cua, trung tuan, trung cap
tang cua » mang cua, hang cua, tang luan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh ((trung cua) or (tang cua)) ((phuong cong) OR (phong cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh ((trung cua) OR (tang cua)) ((phuong cong) OR (phong cong)) thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh ((trung cua) or (tang cua)) ((phuong cong) OR (phong cong)) thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh ((trung cua) or (tang cua)) ((phuong cong) OR (phong cong)) thanh toan ban*.