Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
cua chong » cua cong, cua chung, cua khong
trinh san » trinh han, trinh quan, trinh luan
manh cua » doanh cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (hoc thieu)) sach - hanh manh cua chong cong ((trinh san) OR (trinh toan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (hoc thieu)) sach - hanh manh cua chong cong ((trinh san) OR (trinh toan)) lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (hoc thieu)) sach - hanh manh cua chong cong ((trinh san) OR (trinh toan)) lap".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (hoc thieu)) sach - hanh manh cua chong cong ((trinh san) OR (trinh toan)) lap*.