Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cam truc » cau truc, nam truc, lam truoc
truc ban » thuc ban, truc dan, truc van
thanh di » thanh doi, thanh de, thanh do
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
di su » doi su, ki su, da su

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 ly ((nang xa) or (lang xa)) hoi. hieu va cam truc ban thanh di su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly ((nang xa) OR (lang xa)) hoi. hieu va cam truc ban thanh di su triet.
• Adding a wildcard symbol may retrieve word variants: su sach ly ((nang xa) or (lang xa)) hoi. hieu va cam truc ban thanh di su triet*.