Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh ca » hanh cac, hanh cat, hanh cua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
ve cai » va cai, ve cac, ve tai
sach v » sach va, sach y, sach 2
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
v nang » va nang, vu nang, van nang
ca su » cua su, cao su, ca sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach v nang xa hoi. hieu ((ve cai) or (va cac)) ((luc va) or (tuc va)) hanh ca su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang xa hoi. hieu ((ve cai) OR (va cac)) ((luc va) OR (tuc va)) hanh ca su triet.
• Adding a wildcard symbol may retrieve word variants: su sach v nang xa hoi. hieu ((ve cai) or (va cac)) ((luc va) or (tuc va)) hanh ca su triet*.