Perhaps you should try some spelling variations:
thien tinh » khien tinh, thien minh, tien tinh
hanh trinh » canh tranh, hanh chinh
thanh chau » thanh cha, thanh cham, thanh chu
hoc thien » hoc hien, hoc thieu, hoc thiet
trinh cua » tinh cua, trinh luat, trinh quan
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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 tinh - hanh trinh cua cong ((cong ban) OR (cong san)) thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien tinh - hanh trinh cua cong ((cong ban) OR (cong san)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc thien tinh - hanh trinh cua cong ((cong ban) OR (cong san)) thanh chau*.