Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
mot chieu » ho chieu
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 (mot chieu))) or (theo chieu)) tinh - canh trinh luat dung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doi chieu) OR (mot chieu))) OR (theo chieu)) tinh - canh trinh luat dung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((((doi chieu) or (mot chieu))) or (theo chieu)) tinh - canh trinh luat dung cong dan chan cau*.