Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
chau tre » chay tren, chau tho, cho tre
nang doc » nang luc
thuc dan » thuc hanh, hoc dan, thuc vat
thuc va » thuc vat, thuc day
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
doc loi » duc loi
ty nang » ky nang, ty xang, ty hang
tuc va » truc va, tuc xa, duc va
ve cam » ve cham, ve cac, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang doc loi. hieu ve cam ((tuc va) OR (((thuc va) OR (thuc dan)))) thanh lai chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang doc loi. hieu ve cam ((tuc va) or (((thuc va) OR (thuc dan)))) thanh lai chau tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang doc loi. hieu ve cam ((tuc va) or (((thuc va) OR (thuc dan)))) thanh lai chau tre*.