Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
tranh chua » tranh cua, trinh chuan, tranh chap
nang luong » nang song
chua nang » chuc nang, chua xang, kha nang
luong vat » luong va, luong van, luong tai
vat tan » van tan, vat ran, tat tan
tan ca » tan cua, tang ca, dan ca

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 chua nang luong vat tan ca~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tranh chua nang luong vat tan ca*.