Perhaps you should try some spelling variations:
toc sach » doc sach, thuoc sach, nuoc sach
tran anh » tran manh, tuan anh, tran thanh
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
hieu van » hieu va, thien van, lieu va
nang cho » nang chon, ngang cho, nang cao
hoc sach » hoc sinh, hoc cac, hoc anh
cho hoc » co hoc, khoa hoc
tu nang » tru nang, tu nong, tu nano
van anh » van thanh, tuan anh, van minh
di cua » dai cua, doi cua, de cua

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) OR (hoc sach)) tu nang cho hoc. hieu van chat xuc ((van anh) or (tran anh)) di cua cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) tu nang cho hoc. hieu van chat xuc ((van anh) OR (tran anh)) di cua cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) tu nang cho hoc. hieu van chat xuc ((van anh) or (tran anh)) di cua cac*".