Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
trong dan » trong dang, trong san, trong tan
dan hanh » dang hanh, dan khanh, dan thanh
hanh cac » hang cac, hanh cat, nhanh cay
ap dung » xay dung, van dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - ((hanh trang) OR (canh tranh)) ap dung trong dan hanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) sach - ((hanh trang) or (canh tranh)) ap dung trong dan hanh cac~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) sach - ((hanh trang) or (canh tranh)) ap dung trong dan hanh cac*.