Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
hanh ca » hanh cac, hanh cat, hanh cua
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach 2
luc va » duc va, tuc va, loc va
ve cai » va cai, ve cac, ve tai
v nang » va nang, vu nang, van nang
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach v nang xa hoi. hieu ((ve cai) or (va cam)) luc va hanh ca ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach v nang xa hoi. hieu ((ve cai) OR (va cam)) luc va hanh ca ((su triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach v nang xa hoi. hieu ((ve cai) or (va cam)) luc va hanh ca ((su triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: vu sach v nang xa hoi. hieu ((ve cai) or (va cam)) luc va hanh ca ((su triet) OR (ve triet))*.