Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
nhung luong » hung luong, nhung huong, thuong luong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, nhanh lang
lanh manh » lanh tranh, lan anh, van manh
doi hieu » doi chieu, doc hieu, doi hien
nin toan » tinh toan
toan cau » 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: doi hieu lang - ((hanh mang) or (lanh manh)) cua ((nhung luong) OR (nhung tuong)) nin toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((hanh mang) OR (lanh manh)) cua ((nhung luong) OR (nhung tuong)) nin toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - ((hanh mang) or (lanh manh)) cua ((nhung luong) OR (nhung tuong)) nin toan cau".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - ((hanh mang) or (lanh manh)) cua ((nhung luong) OR (nhung tuong)) nin toan cau*.