Perhaps you should try some spelling variations:
thien tinh » khien tinh, thien minh, tien tinh
tien trinh » tien thinh, bien tinh, tien thanh
thanh tung » thanh cong
cap trong » cay trong, ca trong, cad trong
tung cap » trung cap, cung cap, thong cap
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan cau » phan dau, phan cac, phan tu

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