Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh trinh » canh tranh, hanh chinh
cua phuong » cuu phuong, cuc phuong, luan phuong
tieu sach » chieu sach, dien sach, te sach
trinh cua » tinh cua, trinh luat, trinh quan
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, dien toan

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 trinh cua phuong cong ((xuan toan) or (((dan toan) OR (manh toan)))) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh trinh cua phuong cong ((xuan toan) OR (((dan toan) OR (manh toan)))) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh trinh cua phuong cong ((xuan toan) or (((dan toan) OR (manh toan)))) tap".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh trinh cua phuong cong ((xuan toan) or (((dan toan) OR (manh toan)))) tap*.