Perhaps you should try some spelling variations:
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
su triet » su viet, su tien, ve triet
luu hanh » huu han
va triet » va thiet, va trien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
phan luu » phan huu, phap luu, thanh luu
hieu va » lieu va, hieu qua
va phan » van phan, va phat, va phap
tu san » thu san, tu ban, tu can
tu sai » tu bai, tu cai, tu lai
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sai) or (tu san)) ky nang x hoi. hieu va phan luu hanh thanh vi ((va triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu san)) ky nang x hoi. hieu va phan luu hanh thanh vi ((va triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu san)) ky nang x hoi. hieu va phan luu hanh thanh vi ((va triet) or (su triet))*.