Perhaps you should try some spelling variations:
kham xung » khac xuong, khac tung, khai ung
thu nang » thi nang, thu hang, tho nang
thu bang » thu ban, thu hang, chu bang
ban hanh » ban hang
xung ban » vung ban, xuong banh, quang ban
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
hanh de » hanh ve, hanh kem
hieu va » lieu va, hieu qua
va kham » va cham, va khao, va tham
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu nang) OR (thu bang)) x hoi. hieu va kham xung ban hanh de ((cua tre) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu nang) OR (thu bang)) x hoi. hieu va kham xung ban hanh de ((cua tre) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu nang) OR (thu bang)) x hoi. hieu va kham xung ban hanh de ((cua tre) or (cua tu))*.