Perhaps you should try some spelling variations:
nhanh mang » hanh mang, nhanh quang, nhanh thang
nhanh lang » nhanh quang, nhanh thang, nhan dang
tong thong » thong thong, dong thong, cong thong
doi chieu » doc hieu, doi chi, mot chieu
thong tac » thong cac, tuong tac, thong tai
ho chieu » theo chieu, hoc thieu, mot chieu
cua tong » cua cong, cua dong, cua nong
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man

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 mang) or (nhanh lang)) cua tong thong tac than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((nhanh mang) OR (nhanh lang)) cua tong thong tac than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - ((nhanh mang) or (nhanh lang)) cua tong thong tac than ban*.