Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
ve triet » va trien, su triet
cua viet » ca viet, hoa viet, cua vat
hieu va » lieu va, hieu qua
cau tuc » cau truc, cau tu, cau luc
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
va cau » van cau, va cac, va dau
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky nang van hoa. hieu va cau tuc va hanh di ((ve triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky nang van hoa. hieu va cau tuc va hanh di ((ve triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang van hoa. hieu va cau tuc va hanh di ((ve triet) or (cua viet))*.