Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
thanh lap » thanh san, phan lap, thanh hai
khoan cam » khoa cam, khoan va, phan cam
mang cua » manh cua, dung cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doi chieu)) sach - hanh mang cua nhung huong dan ((thanh lap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sach - hanh mang cua nhung huong dan ((thanh lap) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) sach - hanh mang cua nhung huong dan ((thanh lap) or (khoan cam))*.