Perhaps you should try some spelling variations:
nhan nhanh » nhanh thanh, nhat hanh
doi chieu » doc hieu, doi chi, mot chieu
thong cao » thong cac, thong cau, thong co
thong cap » thong cac, trung cap, thong cua
cong nhan » cong nhat, cong thanh, cong san
nhanh cau » nhanh cay, thanh chau, nhanh ha
ho chieu » theo chieu, hoc thieu, mot chieu
han cong » phan cong, hang cong, hanh cong

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 ((thong cao) or (thong cap)) han cong nhan nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - nhanh ((thong cao) OR (thong cap)) han cong nhan nhanh cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - nhanh ((thong cao) or (thong cap)) han cong nhan nhanh cau*.