Perhaps you should try some spelling variations:
tinh thuong » trinh thuong, tinh huong, dinh thuong
tinh tuong » tinh huong, minh tuong, dinh tuong
hieu lang » chieu sang, hieu quang, nhieu tang
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
dung cong » dung trong
doi hieu » doi chieu, doc hieu, doi hien
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - ((canh manh) or (lanh manh)) cua dung cong ((tinh tuong) OR (tinh thuong)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((canh manh) OR (lanh manh)) cua dung cong ((tinh tuong) OR (tinh thuong)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - ((canh manh) or (lanh manh)) cua dung cong ((tinh tuong) OR (tinh thuong)) tu".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - ((canh manh) or (lanh manh)) cua dung cong ((tinh tuong) OR (tinh thuong)) tu*.