Perhaps you should try some spelling variations:
thuoc ban » thuoc tan, thuoc dang, thu ban
nam thuoc » nam thuc, nam thu, nha thuoc
hieu van » hieu va, thien van, lieu va
dang mam » dang nam, dang mau, dang mat
mam hoai » man hoai, pham hoai, nam hoi
xanh di » danh di, vanh dai, xanh tai
te sach » toc sach
ky dang » ky nang, ky danh
vu sach » vu bach, su sach, vu khach
anh di » danh di, anh d, anh du
cua te » cua tu

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

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