Perhaps you should try some spelling variations:
thien dang » thien bang, thien nang, thien cong
thien danh » thien anh, thien thanh, thien chanh
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 ((thien dang) OR (thien danh)) - canh tranh va nhung cong dan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien dang) OR (thien danh)) - canh tranh va nhung cong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien dang) OR (thien danh)) - canh tranh va nhung cong dan phan cau*.