Perhaps you should try some spelling variations:
hoang tuong » hoang vuong, hoang trong, hoang tung
hoan vuong » hoang vuong, hoang duong, doan cuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tran » hanh trang, thanh tran, hanh tram
tran van » luan van
ban than » ban thanh, van thanh, ban hang
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: theo tieu xanh - hanh tran van ((hoan vuong) or (hoang tuong)) ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tran van ((hoan vuong) OR (hoang tuong)) ban than cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tran van ((hoan vuong) or (hoang tuong)) ban than cau*.