Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
theo chieu » theo tieu, ho chieu, thi chieu
trung cap » truong cao, trung tam
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
theo chu » cho chu, chao chu, theo yeu
cap dung » ap dung, cao dung, chan dung
dan than » dan chan, ban than, van than

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

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