Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doanh van » doan van, doanh va, doanh ban
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
nang mai » nang ma, nang tai, lang mai
danh vai » danh sai, danh va, dang van
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac

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 thi nang mai hoi. hieu va cac duc va ((danh vai) or (doanh van)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi nang mai hoi. hieu va cac duc va ((danh vai) OR (doanh van)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach thi nang mai hoi. hieu va cac duc va ((danh vai) or (doanh van)) cua triet*.