Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu tang » tuc tang, tu trang, tu tong
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
tai cua » thai cua, tai cuc, tri cua
tuc va » thuc va, tuc xa, duc va
cua cu » cua chu, cua cau, cua su

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 tu tang ma hoa. hieu va cac ((tuc va) OR (truc va)) thanh tai cua cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu tang ma hoa. hieu va cac ((tuc va) OR (truc va)) thanh tai cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach tu tang ma hoa. hieu va cac ((tuc va) OR (truc va)) thanh tai cua cu*.