Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
ban thanh » ban hang
chu manh » chu han, chu van, thu minh
luan ban » luan van, luan san, luan han
ban cong » bang cong, van cong, phan cong
ban hanh » ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu manh) or (ho manh)) - hanh tang luan ban cong ((ban thanh) or (ban hanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu manh) OR (ho manh)) - hanh tang luan ban cong ((ban thanh) OR (ban hanh)) cau.
• Adding a wildcard symbol may retrieve word variants: chao ((chu manh) or (ho manh)) - hanh tang luan ban cong ((ban thanh) or (ban hanh)) cau*.