Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cua phuong » cuu phuong, cuc phuong, luan phuong
duong manh » duong van
tien manh » tien thanh, tieng anh, tran manh
cua khong » hua khong, cua thuong, cua cong
manh toan » thanh toan, anh tuan, tinh toan
tien anh » tieng anh, dien anh, tien thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) OR (tien manh)) - hanh trinh ((cua khong) or (cua phuong)) duong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tien manh)) - hanh trinh ((cua khong) OR (cua phuong)) duong manh toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien anh) OR (tien manh)) - hanh trinh ((cua khong) or (cua phuong)) duong manh toan tap*".