Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, le thanh
phan cau » phan dau, phan cac, phan tu
hieu van » hieu va, thien van, lieu va
cham xuc » chat xuc, cham soc, pham duc
va tinh » may tinh
bo sach » co sach, hoc sach
sach ky » sac ky, sach y, sach ty
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: bo sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) ((va thanh) or (va tinh)) phan cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ky nang x hoi. hieu van ((cham xuc) OR (cam xuc)) ((va thanh) OR (va tinh)) phan cau tren.
• Adding a wildcard symbol may retrieve word variants: bo sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) ((va thanh) or (va tinh)) phan cau tren*.