Perhaps you should try some spelling variations:
manh hang » manh thang, manh hung, minh hang
cua triet » cua viet, su triet, va triet
hang tai » hang va, dung tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, dua tren
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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: te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) suc manh hang tai ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) suc manh hang tai ((cua tre) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) suc manh hang tai ((cua tre) or (cua triet))*.