Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
chau tho » chat thom, cau thi, phu tho
chau tre » chay tren, cho tre, cau tra
nang doc » nang luc
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
doc loi » duc loi
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cao, va cai
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang doc loi. hieu ((va cam) or (va cac)) luc va thanh lai ((chau tre) OR (chau tho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang doc loi. hieu ((va cam) OR (va cac)) luc va thanh lai ((chau tre) OR (chau tho)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang doc loi. hieu ((va cam) or (va cac)) luc va thanh lai ((chau tre) OR (chau tho))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang doc loi. hieu ((va cam) or (va cac)) luc va thanh lai ((chau tre) OR (chau tho))*.