Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
thanh chau » thanh cha, thanh cham, thanh chu
khai sang » kha nang, nha sang, thai bang
san thanh » ban thanh, van thanh, son thanh
doi khai » doi khi, toi khai, doi khang
cong san » cong tac
tung he » dung he, tung ho, tang he

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khai sang - thanh tung he thong cong san thanh chau~.
• Adding a wildcard symbol may retrieve word variants: doi khai sang - thanh tung he thong cong san thanh chau*.