Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham cuu » cap cuu, chat cua
hanh doi » thanh doi, hanh noi, hang doi
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
cuu tre » cau tren, cau treo
cua tre » cua triet, dua tren, cua thep
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cuu va » cuu van, cuu ve
cua te » cua tu

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: su sac ky nang xa hoi. hieu qua cham cuu va hanh doi ((((cuu tre) OR (cua tre))) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. hieu qua cham cuu va hanh doi ((((cuu tre) OR (cua tre))) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu qua cham cuu va hanh doi ((((cuu tre) OR (cua tre))) or (cua te))*.