Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tu trong » tu tuong, tu tieng
lang hoa » hang hoa, nang hoa, hoang hoa
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
tuc ban » thuc ban, truc ban, tu ban
vu sach » vu bach, su sach, vu khach
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
lang ha » long ha
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 _ ((lang hoa) OR (lang ha)) hoi. hieu va cam tuc ban thanh vi ((su triet) or (tu trong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach _ ((lang hoa) OR (lang ha)) hoi. hieu va cam tuc ban thanh vi ((su triet) OR (tu trong))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach _ ((lang hoa) OR (lang ha)) hoi. hieu va cam tuc ban thanh vi ((su triet) or (tu trong))*".