Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tieu danh » dieu danh, tiep danh, thien danh
cua nhung » va nhung
nhan dai » nhan tai, nhan dan, phan dai
cong tan » cong tac, cong san, cong ty
tran tap » toan tap, tran tuan, trang tai
tran tan » tran tuan, tran van, tran thanh

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 danh - nhan dai cua nhung ((cong tan) or (cong thanh)) ((tran tap) or (tran tan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - nhan dai cua nhung ((cong tan) OR (cong thanh)) ((tran tap) OR (tran tan)).
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - nhan dai cua nhung ((cong tan) or (cong thanh)) ((tran tap) or (tran tan))*.