Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
luan dung » lan dung, luan dong, luan hung
trong anh » truong anh, trong nganh, trong doanh
ho chieu » hoc thieu, doi chieu, mot chieu
anh dung » anh dong, anh huong, sach dung
tac dung » sach dung, xay dung, tin dung
tuan cau » toan cau, quan cau, tuan cu

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 (ho chieu)) sach - ((anh dung) or (tac dung)) luan dung trong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - ((anh dung) OR (tac dung)) luan dung trong anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - ((anh dung) or (tac dung)) luan dung trong anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - ((anh dung) or (tac dung)) luan dung trong anh tuan cau*.