Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
ky cong » ke cong, ly cong, khu cong
hanh tu » anh tu, danh tu
ly dong » ly dung, lao dong, huy dong
luc van » luoc van, luu van, duc van
ky dang » ky nang, ky danh
cac luc » cau luc, coc luc, cac nuoc
te sac » te sach, te cac, te san
ve cac » va cac, vien cac
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ((((ky cong) or (ly dong))) or (ky dang)) va hoi. hieu ve cac luc van hanh tu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ((((ky cong) OR (ly dong))) OR (ky dang)) va hoi. hieu ve cac luc van hanh tu va triet.
• Adding a wildcard symbol may retrieve word variants: te sac ((((ky cong) or (ly dong))) or (ky dang)) va hoi. hieu ve cac luc van hanh tu va triet*.