Perhaps you should try some spelling variations:
kho tang » cao tang
van tuan » anh tuan
sac kho » suc khoe, cac khoi, dac khoa
tang xa » trang xa, tang ma, lang xa
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
te sac » te sach, te cac, te san
soc va » hoc va, loc va, doc va
vi luu » vi lua

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 kho tang xa hoi. hieu ((((van tuan) or (van ban))) or (van quan)) soc va hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac kho tang xa hoi. hieu ((((van tuan) OR (van ban))) OR (van quan)) soc va hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sac kho tang xa hoi. hieu ((((van tuan) or (van ban))) or (van quan)) soc va hanh vi luu tre*.