Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cau treo » cau theo, cau tren, cau triet
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
viec cac » vien cac, viec cua, viec lam
sach tu » sach thu, cach tu, sach uu
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach thu, xach tay
vai cau » va cau, van cau, vai cac
cac ho » cac hop, cac hoc, cac co
ho van » hoc van, vo van, so van

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) OR (sach tu)))) nang xa hoi. hieu viec cac ho van hanh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (((sach ty) OR (sach tu)))) nang xa hoi. hieu viec cac ho van hanh vai cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (((sach ty) OR (sach tu)))) nang xa hoi. hieu viec cac ho van hanh vai cau treo*".