Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
song khanh » song hanh, cong khanh, son thanh
doi chieu » doc hieu, doi chi, mot chieu
thang kha » tang kha, thong khao, hang khoa
cong khan » cong khanh, cong nhan, cong phan
ho chieu » theo chieu, hoc thieu, mot chieu
kha nang » phap nang, ky nang, ki nang
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - nhanh thang kha nang ((song khanh) or (cong khan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - nhanh thang kha nang ((song khanh) OR (cong khan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - nhanh thang kha nang ((song khanh) or (cong khan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - nhanh thang kha nang ((song khanh) or (cong khan)) toan cau*.