Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tran manh » tran minh, tran thanh, tran van
hanh mang » nhanh mang, hanh trang, nhanh lang
mang quan » nang quan, tang quan, hang quan
tien anh » tieng anh, tien manh, dien anh
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) or (tran manh)) - hanh mang quan ((ung dung) or (nhung cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (tran manh)) - hanh mang quan ((ung dung) OR (nhung cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (tran manh)) - hanh mang quan ((ung dung) or (nhung cong)) dan than cau*.