Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
ve cham » va cham, ve chat, vu cham
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
tai hai » thi hai, dai hai, tai phan
ly hang » ly quang
hieu ve » hieu va, hieu van
tai ha » thai ha, tai nha, thi ha
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly hang ((tai ha) or (tai hai)). hieu ve cham truc va hanh ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly hang ((tai ha) OR (tai hai)). hieu ve cham truc va hanh ((vi cua) OR (di cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ly hang ((tai ha) or (tai hai)). hieu ve cham truc va hanh ((vi cua) or (di cua)) triet*.