Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
vinh cua » sinh cua, tinh cua, dinh cua
dan vinh » dang vinh, danh vinh, van vinh
vu cham » va cham, vu kham, tu cham
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y ((nang xa) or (lang xa)) hoi. hieu ((ve cam) or (vu cham)) luc va dan vinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y ((nang xa) OR (lang xa)) hoi. hieu ((ve cam) OR (vu cham)) luc va dan vinh cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach y ((nang xa) or (lang xa)) hoi. hieu ((ve cam) or (vu cham)) luc va dan vinh cua tre*.