Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thuc dan » thuc hanh, hoc dan, thuc vat
thanh vi » hanh vi, thanh va, thanh ve
thuc day » thuc vat
te sach » toc sach
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
ve cac » va cac, vien cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (te sach)) ky dang xa hoi. hieu ve cac ((thuc day) or (thuc dan)) thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) ky dang xa hoi. hieu ve cac ((thuc day) OR (thuc dan)) thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) ky dang xa hoi. hieu ve cac ((thuc day) or (thuc dan)) thanh vi cua te*.