Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
cuu tre » cau tren, cau treo
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cua triet, dua tren
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va
tang xa » trang xa, tang ma, lang xa
su cao » cu cao, vu cao, su co

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cao ky tang xa hoi. ((hieu ve) or (hieu van)) cam xuc van hanh hai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cao ky tang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van hanh hai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su cao ky tang xa hoi. ((hieu ve) or (hieu van)) cam xuc van hanh hai ((cua tre) or (cuu tre))*.