Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
anh van » thanh van, doanh van, khanh van
hieu va » hieu qua
cac tuc » cac toc, cac tu, cac tac
xa danh » va danh, dia danh, nam danh
vai cua » dai cua, hai cua, lai cua
anh va » hanh va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky ((anh van) OR (anh va)) hoa. ((hieu va) or (lieu va)) cac tuc xa danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((anh van) OR (anh va)) hoa. ((hieu va) OR (lieu va)) cac tuc xa danh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((anh van) OR (anh va)) hoa. ((hieu va) or (lieu va)) cac tuc xa danh vai cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((anh van) OR (anh va)) hoa. ((hieu va) or (lieu va)) cac tuc xa danh vai cua te*.