Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
doanh van » doan van, doanh va, doanh ban
xa trang » va trang, ta trang, ha trang
trang ha » trang va, trung ha, tang ha
danh vai » danh sai, danh va, dang van
so sach » so sanh, co sach, hoc sach
thuc va » thuc vat, thuc dan, thuc day
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
bo sach » co sach, hoc sach
cuu tre » cua tre, cau tren, cau treo
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (bo sach)) xa trang ha hoi. hieu ve pham thuc va ((danh vai) or (doanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) xa trang ha hoi. hieu ve pham thuc va ((danh vai) OR (doanh van)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (bo sach)) xa trang ha hoi. hieu ve pham thuc va ((danh vai) or (doanh van)) cuu tre*.