Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky dang ha noi. ((hieu van) OR (hieu va)) cam xuc van hanh dai cua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang ha noi. ((hieu van) OR (hieu va)) cam xuc van hanh dai cua su".
• Adding a wildcard symbol may retrieve word variants: su sac ky dang ha noi. ((hieu van) OR (hieu va)) cam xuc van hanh dai cua su*.