Perhaps you should try some spelling variations:
kho tang » cao tang
dinh cuu » dinh chi
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
tham doc » than doc, tham do, tham nuoc
va danh » va dinh, va dan, va hanh
sac kho » suc khoe, cac khoi, dac khoa
tang xa » trang xa, tang ma, lang xa
doc va » duoc va, hoc va, duc va
vi cuu » vinh cuu
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 kho tang xa hoi. hieu van tham doc va danh ((((vi cuu) OR (vi luu))) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac kho tang xa hoi. hieu van tham doc va danh ((((vi cuu) OR (vi luu))) OR (dinh cuu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac kho tang xa hoi. hieu van tham doc va danh ((((vi cuu) OR (vi luu))) or (dinh cuu)) tre".
• Adding a wildcard symbol may retrieve word variants: te sac kho tang xa hoi. hieu van tham doc va danh ((((vi cuu) OR (vi luu))) or (dinh cuu)) tre*.