Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
thuat tach » thuat sach, thuat mach, thuat tac
trung phan » trung thanh, trung ha, dung phan
phan xuong » phan cong
xuong cong » luong cong, duong cong, cuong cong
thuat san » thuat toan, thuat song, thuat lanh
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
phan lap » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thuat tach) or (thuat san)) - hanh trung phan xuong cong toan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thuat tach) OR (thuat san)) - hanh trung phan xuong cong toan phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thuat tach) or (thuat san)) - hanh trung phan xuong cong toan phan lap*.