Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
huong lan » phuong lan, thuong lan, huong dan
huong ben » huong den, cuong bien, huong dan
thanh bac » nhanh bac, thanh bai, thanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh tranh van nhung ((huong lan) or (huong ben)) thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh van nhung ((huong lan) OR (huong ben)) thanh bac*.