Perhaps you should try some spelling variations:
van tham » van thanh, van tuan, van chat
tham soc » cham soc, tham nuoc, thai son
dinh cuu » dinh chi
vinh cuu » sinh cua, dinh cu, tinh cua
trang xa » trang va, trang ha, trong xa
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
tang xa » tang ma, lang xa, tang ha
ban ky » van ky, dan ky
soc va » hoc va, loc va, doc va
te ban » te bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ban ky ((tang xa) or (trang xa)) hoi. hieu van tham soc va hanh ((vinh cuu) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ban ky ((tang xa) OR (trang xa)) hoi. hieu van tham soc va hanh ((vinh cuu) OR (dinh cuu)) tre.
• Adding a wildcard symbol may retrieve word variants: te ban ky ((tang xa) or (trang xa)) hoi. hieu van tham soc va hanh ((vinh cuu) or (dinh cuu)) tre*.