Perhaps you should try some spelling variations:
trinh hang » trinh han, tranh hang, trinh hanh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doi chi, ho chieu, mot chieu
hanh tang » hanh trang, anh tang, hanh mang
lan nhung » lan hung, ban nhung, la nhung
doc hieu » toc thieu, hoc thieu, hoc hien
tang lan » tang luan, tang van, tang dan
hang tai » hang va, dung tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) sach - hanh tang lan nhung cong trinh hang tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sach - hanh tang lan nhung cong trinh hang tai".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sach - hanh tang lan nhung cong trinh hang tai*.