Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
doc hieu » hoc hien
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: ((doc hieu) or (((hoc thieu) or (toc thieu)))) sach - hanh trinh cua nhung cong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (((hoc thieu) OR (toc thieu)))) sach - hanh trinh cua nhung cong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (((hoc thieu) or (toc thieu)))) sach - hanh trinh cua nhung cong tap toan cau*.