Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
nhan luc » nang luc
danh day » danh dau, dan day, doanh dao
va triet » va thiet, va trien, ve triet
te sach » toc sach
tang ma » mang may
hieu ve » hieu va, hieu van
ve nhan » ve nha, de nhan, va nhan
va danh » va dinh, va dan, va hanh
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((tang ma) or (tang van)) hoi. hieu ve nhan luc va danh day va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((tang ma) OR (tang van)) hoi. hieu ve nhan luc va danh day va triet.
• Adding a wildcard symbol may retrieve word variants: te sach y ((tang ma) or (tang van)) hoi. hieu ve nhan luc va danh day va triet*.