Perhaps you should try some spelling variations:
hanh gia » danh gia, thanh gian, hinh giao
hieu van » hieu va, thien van, lieu va
xach tay » canh tay
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
gia cua » gian cua, giau cua, gia cuc
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((((sach ty) or (xach tay))) or (sach thieu)) lang xa hoi. hieu van cam tuc va hanh gia cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((((sach ty) OR (xach tay))) OR (sach thieu)) lang xa hoi. hieu van cam tuc va hanh gia cua tre.
• Adding a wildcard symbol may retrieve word variants: toc ((((sach ty) or (xach tay))) or (sach thieu)) lang xa hoi. hieu van cam tuc va hanh gia cua tre*.