Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
dong cong » duong cong, dung cong, dang cong
cong tuan » cong tan, cong luan, cong thanh
tuan phan » luan phan, toan phan, tuan pham
ho chieu » theo chieu, doi chieu, mot chieu
hinh cua » chinh cua, tinh cua, dinh cua
sinh cua » manh cua, dinh cuu, sinh va
phan cac » nhan cach, phan dau, phan lap

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