Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
chau tre » chay tren, chau tho, cho tre
lap chau » lai chau, a chau, ha chau
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
co hoi » co hoc
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
va cam » va cham, va cac, va cao

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 y nang ((co loi) OR (co hoi)). hieu ((va cam) or (vo co)) luc va thanh lap chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((co loi) OR (co hoi)). hieu ((va cam) OR (vo co)) luc va thanh lap chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ((co loi) OR (co hoi)). hieu ((va cam) or (vo co)) luc va thanh lap chau tre".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((co loi) OR (co hoi)). hieu ((va cam) or (vo co)) luc va thanh lap chau tre*.