Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
lap cua » lai cua, tap cua, lam cua
cau luc » cau truc, cau phuc
cam luc » cam xuc
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky sang) or (ky tang)) xa hoi. hieu ve ((cam luc) OR (cau luc)) va thanh lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky tang)) xa hoi. hieu ve ((cam luc) OR (cau luc)) va thanh lap cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) or (ky tang)) xa hoi. hieu ve ((cam luc) OR (cau luc)) va thanh lap cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky tang)) xa hoi. hieu ve ((cam luc) OR (cau luc)) va thanh lap cua tre*.