Perhaps you should try some spelling variations:
lam chau » lai chau, lam chu, lam chat
hanh lam » thanh lap, hanh kem, hanh va
thien va » thien van, tien va, thien tai
nang doc » nang luc
chau tre » chay tren, chau tho, cho tre
doc hoc » duoc hoc, toc hoc, duc hoc
sach ky » sac ky, sach y, sach kem
va cham » va chat, va tham
sach ty » sach y, sach tu, sach thu
xuc va » tuc va, luc va, xac va

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 ky) OR (sach ty)) nang doc hoc. thien va cham ((xuc va) or (duc va)) hanh lam chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach ty)) nang doc hoc. thien va cham ((xuc va) OR (duc va)) hanh lam chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach ty)) nang doc hoc. thien va cham ((xuc va) or (duc va)) hanh lam chau tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sach ty)) nang doc hoc. thien va cham ((xuc va) or (duc va)) hanh lam chau tre*.