Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
can tran » can tranh, tan tran, ban tran
tran van » luan van
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cau » phan cau, can cau, chinh cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu trinh - can tran van nhung cong tan chan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu trinh - can tran van nhung cong tan chan cau*.