Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tung tan » tung dan, cung tan, hung tan
tan dung » tran dung, tin dung, van dung
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu manh - thanh tung tan dung cong ((xuan toan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - thanh tung tan dung cong ((xuan toan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - thanh tung tan dung cong ((xuan toan) or (dan chan)) cau*.