Perhaps you should try some spelling variations:
cham xuc » chat xuc, cham soc, pham duc
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
cuu tre » cua tre, cau tren, cau treo
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
di cuu » di cau, di cua, dinh cuu

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 o lang xa hoi. hieu ve ((cham xuc) or (cam xuc)) van hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach o lang xa hoi. hieu ve ((cham xuc) OR (cam xuc)) van hanh di cuu tre*.