Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
tranh van » tran van, trinh van, thanh van
van hoang » van hoan, quan hoang, tran hoang
vuong tac » tuong tac, vuong tat, huong tac
tac phat » tac pham, tam phat, tan phat
phat cac » phan cac, pha cac, phap cac

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 nhanh - canh tranh van hoang vuong tac phat cac~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tranh van hoang vuong tac phat cac*.