Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 tinh - hanh tang luan nhung cong san ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh tang luan nhung cong san ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh tang luan nhung cong san ((toan cau) OR (toan ban))*.