Perhaps you should try some spelling variations:
thien tinh » khien tinh, tien tinh, trien tinh
thien minh » tien minh, trien minh, thien chinh
thanh tung » thanh cong
tong cong » trong cong, cong cong, dung cong
tung cap » trung cap, cung cap, thong cap
cap tong » cap nong, cap hoang, gap trong
cong ban » cong bang, cong san, cong tan
phan cau » phan dau, phan cac, phan lap

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) or (thien minh)) - thanh tung cap tong cong ban ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (thien minh)) - thanh tung cap tong cong ban ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (thien minh)) - thanh tung cap tong cong ban ((phan cau) or (phan tu))*.