Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh lai » thanh lap, thanh loi, thanh tai
nam thuc » nam thuoc, am thuc, nam thu
nang doc » nang luc
vu sach » vu bach, su sach, vu khach
cho tre » cho thue, khoe tre
sach ty » sach y, sach tu, sach thu
cam tuc » cam xuc, cam tu, dam thuc
hieu ve » hieu va, hieu van
doc loi » duc loi
ty nang » ky nang, ty xang, ty hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang doc loi. hieu ve ((cam tuc) OR (nam thuc)) va ((thanh lai) or (thanh hai)) cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang doc loi. hieu ve ((cam tuc) OR (nam thuc)) va ((thanh lai) OR (thanh hai)) cho tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang doc loi. hieu ve ((cam tuc) OR (nam thuc)) va ((thanh lai) or (thanh hai)) cho tre*".