Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
cau duc » cao duc, cau luc, chu duc
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cau » ke cau, va cau, ve cac
di cua » dai cua, de cua, do cua
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: te sac ky nang x hoi. hieu ve cau duc va hanh ((di cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x hoi. hieu ve cau duc va hanh ((di cua) OR (doi cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x hoi. hieu ve cau duc va hanh ((di cua) or (doi cua)) tre*.