Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
theo chieu » ho chieu, theo chu, thi chieu
tuong canh » trong canh, tuong lanh, tuong chinh
trinh vat » trinh van, trinh luat, sinh vat
trinh va » trinh van, trinh ve, trinh vi
canh van » anh van, can van, cach van

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: ((theo chieu) OR (theo tieu)) sang - hanh ((trinh vat) OR (trinh va)) nhung tuong canh van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) sang - hanh ((trinh vat) or (trinh va)) nhung tuong canh van ban~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) sang - hanh ((trinh vat) or (trinh va)) nhung tuong canh van ban*.