Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, doi chieu, mot chieu
manh cua » doanh cua, ban cua
tan phan » than phan, van phan, tai phan

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 (hoc thieu)) sach - lanh manh cua nhung cong ((tan phan) or (toan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - lanh manh cua nhung cong ((tan phan) OR (toan phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - lanh manh cua nhung cong ((tan phan) or (toan phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - lanh manh cua nhung cong ((tan phan) or (toan phan)) cau*.