Perhaps you should try some spelling variations:
doanh tang » doanh sang, doanh tong, doanh thanh
tang cuu » tang cua, tang cuoc, thang cua
toc sac » toc sach, toc san, hoc sach
thuc va » thuc vat, thuc dan, thuc day
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu ve » hieu va, hieu van
ky dang » ky danh
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
tuc va » truc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ((ky dang) OR (ky nang)) hoa hoi. hieu ve cac ((tuc va) or (thuc va)) doanh tang cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ((ky dang) OR (ky nang)) hoa hoi. hieu ve cac ((tuc va) OR (thuc va)) doanh tang cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ((ky dang) OR (ky nang)) hoa hoi. hieu ve cac ((tuc va) or (thuc va)) doanh tang cuu tre*".