Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thien tinh » khien tinh, thien minh, tien tinh
hanh trong » hanh trang, anh trong, hinh trong
thong cong » trong cong, tong cong, thong thong
thanh phan » thanh pho, thanh san, thanh toan
trong tao » trong tan, trong tho, trong tai
tao thong » tao trong, giao thong, toan thong
thanh cha » thanh ha, thanh nha, thanh pham
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) or (thien tinh)) - hanh trong tao thong cong ban ((thanh cha) OR (thanh phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (thien tinh)) - hanh trong tao thong cong ban ((thanh cha) OR (thanh phan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) or (thien tinh)) - hanh trong tao thong cong ban ((thanh cha) OR (thanh phan))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (thien tinh)) - hanh trong tao thong cong ban ((thanh cha) OR (thanh phan))*.