Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, mang may
hieu ha » hieu hoa, hieu va, hieu ca
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
thu va » thuc va, thue va, thu ha

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 ((nang ma) OR (nang cao)) hoa. hieu ha nam ((thu va) or (tu va)) danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (nang cao)) hoa. hieu ha nam ((thu va) OR (tu va)) danh sai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang ma) OR (nang cao)) hoa. hieu ha nam ((thu va) or (tu va)) danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) OR (nang cao)) hoa. hieu ha nam ((thu va) or (tu va)) danh sai cua tre*.