Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
thep lieu » thep tieu, theo tieu, thep viet
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh dung » thanh dung, anh dung, hanh dong
cong manh » cong danh, duong manh, cong thanh
toan hoc » toan khoa, van hoc, hoa hoc
toan co » toan cao, toan ho, toan cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thep lieu tinh - hanh dung luan trong cong manh ((toan co) OR (toan hoc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thep lieu tinh - hanh dung luan trong cong manh ((toan co) OR (toan hoc))".
• Adding a wildcard symbol may retrieve word variants: thep lieu tinh - hanh dung luan trong cong manh ((toan co) OR (toan hoc))*.