Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
hanh co » anh co, danh co, hanh mo
va hanh » van hanh, va thanh, va danh
cac duc » cao duc, cac dac, cac nuoc
tu sac » tu sach, tu cac, tu bac
co cua » con cua, ca cua, cong cua
tu san » thu san, tu ban, tu can
cua te » cua tu
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 sac) or (tu san)) ky nang x hoi. hieu ve ((cac duc) or (cac du)) va hanh co cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang x hoi. hieu ve ((cac duc) OR (cac du)) va hanh co cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang x hoi. hieu ve ((cac duc) or (cac du)) va hanh co cua te*.