Perhaps you should try some spelling variations:
thien tinh » thien minh, tien tinh, trien tinh
khien tinh » khien thich, bien tinh, dien tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cap thong » cap tong, chap thuong, phap thong
tung cap » trung cap, cung cap, thong cap
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 (khien tinh)) - thanh tung cap thong cong ban ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (khien tinh)) - thanh tung cap thong cong ban ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien tinh) OR (khien tinh)) - thanh tung cap thong cong ban ((phan cau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) OR (khien tinh)) - thanh tung cap thong cong ban ((phan cau) or (phan tu))*.