Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va hanh, dia danh
te sach » toc sach
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dau
du su » dau su, da su, de su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ((ve cam) or (vu cham)) xuc ((va danh) or (va dan)) du su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve cam) OR (vu cham)) xuc ((va danh) OR (va dan)) du su triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) or (vu cham)) xuc ((va danh) or (va dan)) du su triet*.