Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
sach ky » sac ky, sach y, sach ty
va dinh » van dinh, va kinh, va tinh
va danh » va dan, va hanh, dia danh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
ve cam » ve cham, ve cac, va cam
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 (va cham)) xuc ((va danh) OR (va dinh)) 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 (va cham)) xuc ((va danh) OR (va dinh)) du su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve cam) or (va cham)) xuc ((va danh) OR (va dinh)) du su triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) or (va cham)) xuc ((va danh) OR (va dinh)) du su triet*.