Perhaps you should try some spelling variations:
hieu sau » hieu su, hieu suat, hieu va
hanh vai » hanh vi, hanh va, hanh tai
sang tai » hang tai, sang tao, tang tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
tieu su » thieu so
sach ky » sac ky, sach y, sach kem
tai hoi » tai khoi, dai hoi, tai hai
sach ty » sach y, sach tu, sach thu
cua tu » cua tuc, cua su, cua cu
xu va » xu van, tu va, su va

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: tu ((sach ky) OR (sach ty)) sang tai hoi. ((hieu sau) OR (tieu su)) chao xu va hanh vai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach ty)) sang tai hoi. ((hieu sau) OR (tieu su)) chao xu va hanh vai cua tu~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) sang tai hoi. ((hieu sau) OR (tieu su)) chao xu va hanh vai cua tu*.