Perhaps you should try some spelling variations:
khanh cham » hanh cham, khanh pham, thanh cham
hieu manh » chieu xanh, hieu nganh, hien hanh
hanh tran » hanh trang, thanh tran, hanh tram
cong cong » cong dong, trong cong, dung cong
dat khanh » van khanh, duy khanh
duc cong » duc cuong, nuoc cong, chuc cong
cong dat » cong dan, dong dat, cong da

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (dieu hanh)) - hanh tran duc cong cong dat khanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (dieu hanh)) - hanh tran duc cong cong dat khanh cham*.