Perhaps you should try some spelling variations:
thu hang » thuc hanh, thu huong, thu trang
danh vai » danh sai, danh va, doanh van
thi hang » thi hanh, thi nang, thi hong
so sach » so sanh, bo sach, co sach
vai cuu » vai cua
va danh » va dinh, va dan, va hanh
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
ve cam » ve cham, va cam, ve cai

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 ((thu hang) or (thi hang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu hang) OR (thi hang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((thu hang) or (thi hang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sach ((thu hang) or (thi hang)) xa hoi. hieu ((ve cam) OR (ve cac)) xuc va danh vai cuu tre*.