Perhaps you should try some spelling variations:
dua tren » dung tren
cham sac » cham soc, pham sach, cap sac
su sach » so sach, vu sach
hanh de » hanh ve, hanh kem
sach ty » sach y, sach tu, sach thu
hanh di » hanh vi, hang di, danh di
sac van » cac van, san van, sat van
tu cham » toc cham, thi cham
hieu tu » chieu tu, hieu tuc, hien tu
xang xa » lang xa, mang xa, ang xa
cuu tre » cua tre, cau tren, cau treo

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 ty xang xa hoi. hieu tu cham sac van ((hanh di) or (hanh de)) ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. hieu tu cham sac van ((hanh di) OR (hanh de)) ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. hieu tu cham sac van ((hanh di) or (hanh de)) ((dua tren) or (cuu tre))*.