Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, lieu tinh
thien tinh » khien tinh, tien tinh, trien tinh
thien minh » tien minh, trien minh, thien chinh
nhung cong » dung cong, thong cong, hang cong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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 ((thieu tinh) or (((thien tinh) or (thien minh)))) - canh tranh va nhung cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (((thien tinh) OR (thien minh)))) - canh tranh va nhung cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (((thien tinh) or (thien minh)))) - canh tranh va nhung cong dan phan cau*.