Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va danh, ban hanh
cau tre » cau tren, cau treo, cau tra
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, va cam, ve cai
di cau » da cau, diem cau
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) duc ((va hanh) or (va thanh)) di cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) duc ((va hanh) OR (va thanh)) di cau tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) duc ((va hanh) or (va thanh)) di cau tre*.