Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot trieu » mot chieu, mot tri, mon triet
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ho trieu » 25 trieu, 30 trieu, ho chieu
tang cua » mang cua, hang cua, tang luan
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai 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 trieu) OR (mot trieu)) tinh - hanh tang cua nhung cong tap toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (mot trieu)) tinh - hanh tang cua nhung cong tap toan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (mot trieu)) tinh - hanh tang cua nhung cong tap toan cao*.