Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
cham duc » pham duc, cham soc, pham duy
ban hanh » ban hang
hanh lai » hanh lam, hanh tai, thanh lap
va triet » va thiet, va trien, ve triet
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. hieu va cham duc ban hanh lai ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. hieu va cham duc ban hanh lai ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu va cham duc ban hanh lai ((cua triet) OR (va triet))*.