Perhaps you should try some spelling variations:
thuoc thuan » phuoc thuan, thuoc tan, thuc huan
nam thuoc » nam thuc, nam thu, nha thuoc
thuan anh » tuan anh, thuan thanh, thuat lanh
hieu van » hieu va, thien van, lieu va
cua viet » ca viet, hoa viet, cua vat
tu cach » tu cac
vu sach » vu bach, su sach, vu khach
ky dang » ky danh
anh va » hanh va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (vu sach)) ((ky dang) OR (ky nang)) xa hoi. hieu van nam thuoc thuan anh va cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (vu sach)) ((ky dang) OR (ky nang)) xa hoi. hieu van nam thuoc thuan anh va cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (vu sach)) ((ky dang) OR (ky nang)) xa hoi. hieu van nam thuoc thuan anh va cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (vu sach)) ((ky dang) OR (ky nang)) xa hoi. hieu van nam thuoc thuan anh va cua viet*.