Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban

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

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