Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhanh lang » nhanh quang, nhanh thang, nhan dang
tong thong » thong thong, dong thong, cong thong
hanh mang » nhanh mang, hanh trang, thanh hang
thong tac » thong cac, tuong tac, thong tai
ho chieu » hoc thieu, doi chieu, 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 (theo chieu)) sach - ((hanh 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 (theo chieu)) sach - ((hanh mang) OR (nhanh lang)) cua tong thong tac than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - ((hanh mang) or (nhanh lang)) cua tong thong tac than ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - ((hanh mang) or (nhanh lang)) cua tong thong tac than ban*.