Perhaps you should try some spelling variations:
luu tre » luu tru, cuu tre, luy tre
ve cham » va cham, ve chat, ve chim
va danh » va dinh, va hanh, dia danh
vu cham » va cham, vu kham, tu cham
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
va dan » ca dan, va dao, va dau
vi luu » vi lua
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang xa hoi. hieu ((ve cham) or (vu cham)) hoc ((va danh) OR (va dan)) vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu ((ve cham) OR (vu cham)) hoc ((va danh) OR (va dan)) vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. hieu ((ve cham) or (vu cham)) hoc ((va danh) OR (va dan)) vi luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu ((ve cham) or (vu cham)) hoc ((va danh) OR (va dan)) vi luu tre*.