Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thanh tung » thanh cong
hoc thien » hoc hien, hoc thieu, hoc thiet
tung luan » dung luan, tang luan, tong luan
luan hung » luan chung, lan hung, luan ung
cong dan » cong tan, huong dan, cong dong
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 thanh - thanh tung luan hung ((cong dan) OR (cong san)) ((toan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - thanh tung luan hung ((cong dan) OR (cong san)) ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - thanh tung luan hung ((cong dan) OR (cong san)) ((toan ban) OR (van ban))*.