Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong cang » cong cong, cong lang, cong vang
hoc dieu » hoc thieu
thong tu » phong tuc, thong tin, thong ke
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) sach - hanh trang cua nhung cong cang ((thong tu) or (hang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) sach - hanh trang cua nhung cong cang ((thong tu) OR (hang ca)).
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc hien)) sach - hanh trang cua nhung cong cang ((thong tu) or (hang ca))*.