Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
pham duy » pham duc
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 pham » van pham, va phat, va phap
duy ban » uy ban, duy van, duy can

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 pham duy ban hanh lai ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. hieu va pham duy ban hanh lai ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu va pham duy ban hanh lai ((cua triet) or (va triet))*.