Perhaps you should try some spelling variations:
thu nang » thi nang, thu bang, tho nang
thu hang » thi hang, thuc hanh, thu huong
su sach » so sach, vu sach
va tinh » may tinh
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((thu nang) OR (thu hang)) x hoi. hieu ve cam xuc ((le thanh) or (va tinh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((thu nang) OR (thu hang)) x hoi. hieu ve cam xuc ((le thanh) OR (va tinh)) vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((thu nang) OR (thu hang)) x hoi. hieu ve cam xuc ((le thanh) or (va tinh)) vi cua tre*".