Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, thi chieu
cua nhung » va nhung
theo chu » cho chu, chao chu, theo yeu
hanh han » hanh nhan, hanh phan, anh han
hanh san » thanh san, khach san, thanh son
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cau » 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 (theo chu)) sach - ((hanh han) or (hanh san)) cua nhung cong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - ((hanh han) OR (hanh san)) cua nhung cong tap toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) sach - ((hanh han) or (hanh san)) cua nhung cong tap toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) sach - ((hanh han) or (hanh san)) cua nhung cong tap toan cau*.