Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
mot chieu » doi chieu
hanh hanh » hanh han, xanh hanh, nhanh thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (ho chieu)) sach - hanh hanh va ((thong cong) or (trong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) sach - hanh hanh va ((thong cong) OR (trong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) sach - hanh hanh va ((thong cong) or (trong cong)) manh toan ban*.