Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
dinh thi » dinh tri
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty sang » ty xang, ty hang, duy sang
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
cua tre » cua te, cuu tre, cua triet
xu van » tu van, vu van, su van

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 ty sang ((ma hoa) or (xa hoi)). hieu ve chao xu van ((hanh thai) or (dinh thi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty sang ((ma hoa) OR (xa hoi)). hieu ve chao xu van ((hanh thai) OR (dinh thi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty sang ((ma hoa) or (xa hoi)). hieu ve chao xu van ((hanh thai) or (dinh thi)) cua tre*.