Perhaps you should try some spelling variations:
van tuan » van quan, van ban, anh tuan
hieu van » hieu va, thien van, lieu va
lang van » dang van, tang van, hoang van
danh vi » hanh vi, dinh vi, danh di
luu tre » luu tru, cuu tre, luy tre
lang ha » long ha
sac ky » cac ky, sai ky
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va
vi luu » vi lua
te sac » te sach, te cac, te san

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 ((lang ha) or (lang van)) hoi. hieu van tuan ((soc va) or (loc va)) danh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang ha) OR (lang van)) hoi. hieu van tuan ((soc va) OR (loc va)) danh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang ha) or (lang van)) hoi. hieu van tuan ((soc va) or (loc va)) danh vi luu tre*.