Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
hanh trinh » canh tranh, hanh chinh
hien sach » dien sach, kien sach, thien hach
thuat ban » thuat bai, thuat bao, thuat san
san quang » van quang, dan quang, sat quang
ban cong » bang cong, van cong, phan cong
san quan » van quan, ban quan, dan quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - hanh trinh thuat ban cong ((san quang) OR (san quan)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - hanh trinh thuat ban cong ((san quang) OR (san quan)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh trinh thuat ban cong ((san quang) OR (san quan)) cap*.