Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
manh nung » manh hung, manh tung, manh dung
bang cong » dang cong, bang song, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » hoc thieu, doi chieu, mot chieu
nung cao » nang cao, nhung cau, quang cao
cao bang » cao dang, cao tang, cao nang
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: ((theo chieu) or (ho chieu)) sach - manh nung cao bang cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - manh nung cao bang cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - manh nung cao bang cong manh toan cao*.