Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua tinh » va tinh, ha tinh, hoa tinh
cua sinh » hoa sinh, va sinh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ho ((cua tinh) OR (cua sinh)) - ((hanh dung) or (hanh mang)) luan nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((cua tinh) OR (cua sinh)) - ((hanh dung) OR (hanh mang)) luan nhung cong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((cua tinh) OR (cua sinh)) - ((hanh dung) or (hanh mang)) luan nhung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((cua tinh) OR (cua sinh)) - ((hanh dung) or (hanh mang)) luan nhung cong dan toan cao*.