Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh toan » tinh toan, thanh toan, trinh han
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
toan dang » tran dang, toan mang, toan tang
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - hanh trinh toan dang ((cong thanh) OR (dong thanh)) ((khan cap) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh trinh toan dang ((cong thanh) OR (dong thanh)) ((khan cap) OR (thanh san))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien anh - hanh trinh toan dang ((cong thanh) OR (dong thanh)) ((khan cap) or (thanh san))*".