Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
canh trinh » canh tranh, hanh trinh, canh tinh
huong manh » duong manh, hung manh, luong manh
han huong » han thuong, han phuong, ban huong
luat han » luat hanh, luat dan, luan han
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 tieu)) tinh - canh trinh luat han huong manh ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - canh trinh luat han huong manh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) tinh - canh trinh luat han huong manh ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) tinh - canh trinh luat han huong manh ((toan cau) or (toan cao))*.