Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, ban tinh
hanh dung » thanh dung, anh dung, hanh dong
han luong » hang luong, phan luong, van luong
luong van » luong va, duong van, luong vat
luan han » luan hoan, luan phan, luan van
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((bien tinh) or (diep tinh)) - hanh dung luan han luong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((bien tinh) OR (diep tinh)) - hanh dung luan han luong van tan tap*.