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

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 ((khan ap) 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 ((khan ap) OR (thanh san))*.