Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
xa khanh » xa thanh, van khanh, dat khanh
khanh v » khanh van, thanh va, thanh ve
cam tuc » cam tu, nam thuc, dam thuc
sach ky » sac ky, sach y, sach kem
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
x hoi » xa hoi, o hoi, x ho
v cau » va cau, ve cau, _ cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach ty)) nang x hoi. hieu va ((cam tuc) or (cam xuc)) xa khanh v cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang x hoi. hieu va ((cam tuc) OR (cam xuc)) xa khanh v cau theo.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) nang x hoi. hieu va ((cam tuc) or (cam xuc)) xa khanh v cau theo*.