Perhaps you should try some spelling variations:
lang tai » lang thai, hang tai, tang tai
tai khoa » da khoa, noi khoa
ban hanh » ban hang
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
ly lang » ly hang, ly vang, le lang
hieu va » hieu qua
xuc ban » duc ban, cuc ban, quoc ban
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly lang tai khoa. ((hieu va) OR (lieu va)) cam xuc ban hanh ((vi cua) OR (di cua)) duc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ly lang tai khoa. ((hieu va) or (lieu va)) cam xuc ban hanh ((vi cua) OR (di cua)) duc~".
• Adding a wildcard symbol may retrieve word variants: vu sach ly lang tai khoa. ((hieu va) or (lieu va)) cam xuc ban hanh ((vi cua) OR (di cua)) duc*.