Perhaps you should try some spelling variations:
dat khanh » van khanh, duy khanh
khanh ve » hanh ve, thanh ve, khanh v
cau theo » cau thi, cau tao
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xuc dat » duc duat, duoc dat, quoc dat
va cam » va cham, va cao, va cai
ve cau » ke cau, va cau, ve cac
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: tu sach ky nang x hoi. hieu ((va cam) or (va cac)) xuc dat khanh ve cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu ((va cam) OR (va cac)) xuc dat khanh ve cau theo.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu ((va cam) or (va cac)) xuc dat khanh ve cau theo*.