Perhaps you should try some spelling variations:
thanh trung » thanh tung
tien thanh » tien thinh, tran thanh, den thanh
trung phan » trung thanh, trung ha, dung phan
phan nhung » phan chung, phan hung, pha nhung
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 anh) or (tien thanh)) - thanh trung phan nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (tien thanh)) - thanh trung phan nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (tien thanh)) - thanh trung phan nhung cong dan toan cao*.