Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
tieu hanh » dieu hanh, tiem hanh, tien hanh
hanh tung » thanh tung, manh tung, hanh dung
hanh mang » nhanh mang, hanh trang, nhanh lang
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
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: theo tieu hanh - ((hanh tung) or (hanh mang)) luan nhung ((cong manh) OR (cong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - ((hanh tung) OR (hanh mang)) luan nhung ((cong manh) OR (cong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu hanh - ((hanh tung) or (hanh mang)) luan nhung ((cong manh) OR (cong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - ((hanh tung) or (hanh mang)) luan nhung ((cong manh) OR (cong danh)) toan cau*.